List of Scheduled Monuments in Neath Port Talbot

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Scheduled Monuments in Neath Port Talbot, Wales.
Brown pog.svg=Prehistoric Blue pog.svg=Roman Green pog.svg=Early Medieval
Gold pog.svg=Medieval Red pog.svg=Post-Medieval/Modern

Neath Port Talbot County Borough stretches from the south coast of Wales up to the southern edge of the Brecon Beacons. The 93 Scheduled monuments include 43 prehistoric sites which include a stone circle, standing stones, burial mounds and chambered tombs. The 6 Roman sites are all connected to military occupation. There are 18 medieval sites which include abbeys, castles and churches. The 26 post-medieval sites are mostly connected to over 400 years of industrial activity in the area. All of the sites on this list (and the whole of Neath Port Talbot County Borough) are within the historic county of Glamorgan. 5 of the sites lie on or cross the border into neighbouring counties, and are included on both lists.

Scheduled Ancient Monuments (SAMs) have statutory protection. It is illegal to disturb the ground surface or any standing remains. The compilation of the list is undertaken by Cadw Welsh Historic Monuments, which is an executive agency of the National Assembly of Wales.[1] The list of scheduled monuments below is supplied by Cadw[2] with additional material from RCAHMW and Glamorgan-Gwent Archaeological Trust.

Scheduled Monuments in Neath Port Talbot

Image Name Site type Community Location Details Period SAM No
& Refs
Iron Age enclosure within Briton Ferry Woods Craig Ty-Isaf Camp Hillfort Baglan 51°37′31″N 3°47′52″W / 51.6254°N 3.7979°W / 51.6254; -3.7979 (Craig Ty-Isaf Camp),
One of three hillforts on Mynydd-y-Gaer. It is on the SW side of the hill, overlooking Baglan, an oval hillfort enclosing some 0.2ha. Two banks, and on the east a third added later, mean that the area of banks and ditches encompases a much larger area. Internal features are thought to be more recent test cuts for mineral extraction. 1.5Brown pog.svg Prehistoric
(Iron Age)
Foel Chwern Round Cairn Round cairn Blaengwrach 51°43′22″N 3°35′46″W / 51.7228°N 3.5962°W / 51.7228; -3.5962 (Foel Chwern Round Cairn),
Grass covered cairn on the edge of a steep escarpement above the Neath valley, one of six along a 6 km stretch of the hillside. An old telegraph pole in its centre once supported aircraft warning lights. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Buarth y Gaer Iron Age Hill Fort Buarth-y-Gaer, Mynydd-y-Gaer Hillfort Briton Ferry 51°37′39″N 3°47′06″W / 51.6276°N 3.7849°W / 51.6276; -3.7849 (Buarth y Gaer, Mynydd-y-Gaer),
Iron Age hillfort some 100m across, with a Bronze Age burial cairn inside, at the highest point of Mynydd-y-Gaer. 1.5Brown pog.svg Prehistoric
(Iron Age)
Carreg Hir Standing Stone, Pen-Rhiw-Tyn Standing stone Briton Ferry 51°38′34″N 3°48′57″W / 51.6428°N 3.8158°W / 51.6428; -3.8158 (Carreg Hir Standing Stone, Pen-Rhiw-Tyn),
Sandstone slab nearly 3m high in the playground at Cwrt Sart School. Now set in concrete, it may be in its original position 1.3Brown pog.svg Prehistoric
(Bronze Age)
Gaer Fawr hillfort looking north toward Neath. Gaer Fawr Camp Hillfort Briton Ferry 51°37′59″N 3°47′06″W / 51.6331°N 3.785°W / 51.6331; -3.785 (Mynydd y Gaer (Lower) Camp),
An oval enclosure on the northern slope of Mynydd y Gaer. Complex concentric banks form an enclosure, with 5 cairns amongst the defenses. 1.5Brown pog.svg Prehistoric
(Iron Age)
Burial Chamber at Pen-yr-Alltwen Chambered tomb? Cilybebyll 51°42′51″N 3°50′15″W / 51.7141°N 3.8375°W / 51.7141; -3.8375 (Burial Chamber at Pen-yr-Alltwen),
First noted in 1923 as a possible chambered tomb, it is uncertain if it is a manmade structure. The 'capstone' may be natural geology. 1.1Brown pog.svg Prehistoric
Cefn Celfi Standing Stones Standing stone Cilybebyll 51°42′45″N 3°49′21″W / 51.7124°N 3.8226°W / 51.7124; -3.8226 (Standing Stones 300m W of Cefncelfi),
Two stone blocks, one in a hedge, the other a little to the south in a field, between Cefn Celfi Farm and Rhos. It is thought there were once three stones, described in the 9th century 'Englynion y Beddau' as the graves of Cynon, Cynfael and Cynfeli. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Cwm Caca, somewhere near the enclosure Carn Caca Enclosure Enclosure Clyne and Melincourt 51°41′13″N 3°40′53″W / 51.6869°N 3.6814°W / 51.6869; -3.6814 (Camp 280m S of Melin Court Brook),
Hillfort Camp on the Carn Caca hillside, beside the steep valley 280m South of Melin Court Brook. Two hut circles are within the defended enclosure. A Roman Marching Camp (GM367) is alongside. 1.5Brown pog.svg Prehistoric
(Iron Age)
Pen-Rhiw-Angharad Round Cairns Cairnfield Clyne and Melincourt 51°40′41″N 3°44′12″W / 51.678°N 3.7368°W / 51.678; -3.7368 (Pen-Rhiw-Angharad Round Cairns),
A group of at least 8 cairns on a moorland ridge near Pen-Rhiw-Angharad Isaf. The NE corner of the Blaen Cwm Bach Roman Camp (GM258) is 150m to the south. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Carn Caca Cairnfield Kerb cairn Clyne and Melincourt 51°41′36″N 3°42′19″W / 51.6933°N 3.7053°W / 51.6933; -3.7053 (Three Round Cairns on Carn Caca),
Three Round Cairns on the NW slopes of Carn Caca, south of Melincourt. Two are cairns, the third a ring of stones, 18 still standing, up to 50 cm high, that were the kerb edgings of a kerb cairn. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Gelli-Bwch Round Cairn Round cairn Coedffranc 51°38′13″N 3°51′02″W / 51.637°N 3.8505°W / 51.637; -3.8505 (Gelli-Bwch Round Cairn),
Oval cairn on the summit of ridge west of the Neath estuary, it forms a prominent mound 20m across, and 1.8m high, with a central hollow where it has at some point been dug out. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Llandarcy Round Cairn Round cairn Coedffranc 51°38′34″N 3°51′13″W / 51.6427°N 3.8535°W / 51.6427; -3.8535 (Llandarcy Round Cairn),
Grass-covered mound with one prominent slab which may be a cist capstone. It is 800m north of Gelli-Bwch Cairn 1.3Brown pog.svg Prehistoric
(Bronze Age)
Mynydd March Hywel trig point Mynydd Marchywel summit cairn Round cairn Crynant 51°43′09″N 3°47′05″W / 51.7191°N 3.7848°W / 51.7191; -3.7848 (Mynydd Marchywel summit cairn),
Heap of stones, now gradually spreading, on the summit of Mynydd Marchywel, 10m north of a trig pont. There are traces of kerbstones amongst the rubble. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Coed Ddu ring cairn Ring cairn Crynant 51°44′33″N 3°43′44″W / 51.7425°N 3.7288°W / 51.7425; -3.7288 (Coed Ddu ring cairn),
Circular feature, 13m across - thought to be a ring cairn, although a possible entrance suggests other interpretations. It is on the hillside east of the River Dulais, close to the Coed Ddu medieval settlement site (GM593). 1Brown pog.svg Prehistoric
Mynydd Marchywel Round Cairn Round cairn Crynant 51°43′43″N 3°46′38″W / 51.7286°N 3.7771°W / 51.7286; -3.7771 (Mynydd Marchywel Round Cairn),
Large circular cairn with central 'robber-crater'. Clear-felling of the trees of Crynant Forest in c. 2009 meant it was visible for the first time in 50 years. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Pen-y-Castell Pen-y-Castell Hillfort Cwmavon 51°36′41″N 3°45′03″W / 51.6115°N 3.7509°W / 51.6115; -3.7509 (Pen-y-Castell),
Bracken covered knoll with bank and ditch defensive earthworks above the Cwmafan valley. 1.5Brown pog.svg Prehistoric
Carreg Bica standing stone Carreg Bica Standing Stone Standing stone Dyffryn Clydach 51°40′46″N 3°50′45″W / 51.6794°N 3.8457°W / 51.6794; -3.8457 (Carreg Bica Standing Stone),
A tall stone, 4.3m high, on a ridge top on Mynydd Drumau, It is west of the Neath valley, close to the Swansea county boundary, where a trackway crosses the ridge. Other names for it are Maen Bredwan and Hoat Stone. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Three Round Cairns on Mynydd Drumau Round cairn Dyffryn Clydach 51°40′47″N 3°50′43″W / 51.6796°N 3.8454°W / 51.6796; -3.8454 (Three Round Cairns on Mynydd Drumau),
All three are low, degraded mounds, on the ridge-top. One is very close to the Carreg Bica Standing Stone (GM382), the other two being 500m to the south. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Mynydd Drumau Round Cairn with Cist Round cairn Dyffryn Clydach, (also Clydach), (see also Swansea) 51°41′15″N 3°50′47″W / 51.6876°N 3.8465°W / 51.6876; -3.8465 (Round Cairn with Cist on Mynydd Drumau),
Like Carn Lechert (GM078) 7 kilometres (4.3 mi) to the north, this cairn was described by William Camden in 1695. The central cist was excavated in the early 1800s, when 'a heap of bones, and an ancient celt' were found. The trackway that runs beside this monument and the standing stone (GM382) and cairns (GM383) a little way to the south, forms the county border with Swansea. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Bachgen Carreg Round Cairn Round cairn Glyncorrwg, (also Treherbert), (see also Rhondda Cynon Taf) 51°40′16″N 3°34′49″W / 51.671°N 3.5804°W / 51.671; -3.5804 (Bachgen Carreg Round Cairn),
Low mound, on a natural hillock, with a small cairn of stones on top. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Bryn Llydan Round Barrow Round barrow Glyncorrwg 51°41′29″N 3°38′12″W / 51.6915°N 3.6367°W / 51.6915; -3.6367 (Bryn Llydan Round Barrow),
A round barrow (burial mound) 9m across, on the summit of a small hill 1.3Brown pog.svg Prehistoric
(Bronze Age)
Near Carn Caglau Carn Caglau cairn Round cairn Glyncorrwg 51°41′28″N 3°38′59″W / 51.691°N 3.6497°W / 51.691; -3.6497 (Carn Caglau cairn),
Grass covered cairn with a cist chamber depression in the centre. It is on the wide moorland north of Glyncorrwg. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Cefn yr Argoed Camp Enclosure Glyncorrwg 51°37′59″N 3°41′19″W / 51.6331°N 3.6887°W / 51.6331; -3.6887 (Cefn yr Argoed Camp),
Banked enclosure on sloping ground above the steep sides of Cwm yr Argoed valley. The enclosure forms an oval clearing within the Afan Argoed Forest Park, 1 kilometre (0.62 mi) west of a smaller enclosure on the Nant Herbert (GM244). There is an entrance to the south, and a 12m wide one on the higher NE side, for driving livestock into the enclosure. 1.5Brown pog.svg Prehistoric
(Iron Age)
Crug yr Afan Round Cairn Round cairn Glyncorrwg, (also Treorchy), (see also Rhondda Cynon Taf) 51°38′51″N 3°33′42″W / 51.6474°N 3.5618°W / 51.6474; -3.5618 (Crug yr Afan Round Cairn),
A complex mound, with larger earthen base, 28m across, and a smaller stone cairn on top. This was opened in 1902 when burnt bones and model dagger were found. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Nant Herbert Camp Enclosure Glyncorrwg 51°37′58″N 3°42′23″W / 51.6327°N 3.7064°W / 51.6327; -3.7064 (Nant Herbert Camp),
Circular enclosure 22m across, on sloping ground above the Nant Herbert Stream, within the Afan Argoed Forest Park. Although it was left as a clearing when the forest was planted, forestry work damaged much of the northern embankments. 1.5Brown pog.svg Prehistoric
(Iron Age)
Clearing in the trees at the ring cairn Pebyll Ring Cairn Ring cairn Glyncorrwg 51°39′48″N 3°34′35″W / 51.6634°N 3.5764°W / 51.6634; -3.5764 (Pebyll Ring Cairn),
This is a large, oval stoney bank, some 30 metres (98 ft) across, with evidence of kerbstones on the inner and outer faces. A stone cist shows it was used for burials. It is sited on a ridge near the summit of Mynydd Blaengwynfi, close to the border with Rhondda Cynon Taf. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Tonmawr Camp Enclosure Margam 51°33′45″N 3°41′18″W / 51.5625°N 3.6882°W / 51.5625; -3.6882 (Camp 530m E of Tonmawr),
Banked enclosure on a headland overlooking the upper reaches of the Afon Cynffig, to the east of Ton Mawr Farm. A bank and ditch enclose an oval 60-70m across, with a less distinct outer enclosure linked to the inner ring, similar to the nearby Caer Cwmphilip (GM057), 1 km to the NW. 1.5Brown pog.svg Prehistoric
(Iron Age)
Concentric hillfort defenses at Caer Cwmphilip Caer Cwmphilip Enclosure Margam 51°34′10″N 3°41′46″W / 51.5695°N 3.6962°W / 51.5695; -3.6962 (Camp N of Tonmawr),
Concentric hillfort enclosure with a subrectanular inner defensive area 70m wide, surrounded by a much larger double banked series of defenses some 200m across. It occupies a plateau west of Moel Ton Mawr summit, and south of the Nant Cwm Philip valley, with related Iron Age field systems to the east. It is known variously as Caer Cwmphilip and Moel Ton-Mawr. 1.5Brown pog.svg Prehistoric
(Iron Age)
Oval bank of Danish Camp, by Margam medieval deer park boundary. Danish Camp Enclosure Margam 51°34′12″N 3°42′10″W / 51.5701°N 3.7027°W / 51.5701; -3.7027 (Danish Camp),
Oval bank 33m by 42m across. It is within a 20th-century forest plantation, although the area of the camp was left as a clearing. Margam medieval deer park boundary is nearby to the west, and Caer Cwmphilip (GM057) is 500m to the east, and both enclosures are on the same slope aboce the Cwm Philip stream valley. It is also known as Cwm Philip West Enclosure. 1.5Brown pog.svg Prehistoric
(Iron Age)
Ergyd Uchaf Round Barrow Round cairn Margam 51°35′10″N 3°43′29″W / 51.586°N 3.7246°W / 51.586; -3.7246 (Ergyd Uchaf Round Barrow),
Round barrow in a small clearing in Margam Forest plantation. It is on a ridge 1.5 km from the summit of Mynydd Margam. There is a substantial central hollow in the mound. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Half Moon Camp Enclosure Margam 51°34′00″N 3°44′00″W / 51.5666°N 3.7332°W / 51.5666; -3.7332 (Half Moon Camp),
Small Hillfort on a hilltop north of Margam Abbey, on the opposite side of the valley from Mynydd y Castell (GM162). It is crossed by an upland section of the Wales Coast Path. 1.5Brown pog.svg Prehistoric
(Iron Age)
Mynydd y Castell Hillfort, in Margam Country Park Mynydd y Castell Camp Hillfort Margam 51°33′55″N 3°43′25″W / 51.5653°N 3.7237°W / 51.5653; -3.7237 (Mynydd y Castell Camp),
Large hillfort enclosing 2.7 hectares (6.7 acres) in a D shape, on an isolated hill 500m east of Margam Abbey. There has been some quarrying, and possible other uses, which may have disrupted layouts of banks and entrances. The hill is the start/finish of three long-distance paths: Ogwr Ridgeway Walk, Coed Morgannwg Way and St Illtyd's Walk. 1.5Brown pog.svg Prehistoric
(Iron Age)
Pre-Roman double bank, quadrangular enclosure on Mynydd Margam. Caer Blaen-y-Cwm Enclosure Margam 51°34′44″N 3°41′06″W / 51.579°N 3.6851°W / 51.579; -3.6851 (Caer Blaen-y-Cwm),
Double bank, defining a quadrangular enclosure 25m across, on a broad ridge SE of Mynydd Margam, near the source of the River Kenfig. The enclosure was studied by Cyril Fox in 1934, who suggested it was a Roman Camp, and that nearby earthworks could be an outer defense, similar to that at Caer Cwmphilip (GM057), 1.5 km to the SW. However it is now identified as pre-Roman, and the nearby earthworks to be later. 1.5Brown pog.svg Prehistoric
(Iron Age)
Concrete replica of the Bodvoc Stone in the middle of the cairn. Site of Bodvoc Stone Ring cairn Margam 51°35′09″N 3°41′21″W / 51.5858°N 3.6891°W / 51.5858; -3.6891 (Site of Bodvoc Stone),
Site of a 6th-century AD pillar inscribed 'The stone of Bodvoc', set in a Bronze Age cairn on the ridge near Mynydd Margam Summit. The original stone is now in Margam Stones Museum, with a replica at this site. 1.3Brown pog.svg Prehistoric
Green pog.svg & Early Medieval
Twmpath Diwlith Round Barrow Round barrow Margam, (also Maesteg), (see also Bridgend list) 51°35′09″N 3°41′13″W / 51.5858°N 3.687°W / 51.5858; -3.687 (Twmpath Diwlith Round Barrow),
Round barrow excavated in 1921 by Mortimer Wheeler. It was first built of turves, with a cist containing burnt bones. A later burial re-used it, with earth added to the mound. The second interment had been rifled before the excavation. 1.5Brown pog.svg Prehistoric
Ty'n-y-Cellar Standing Stone Ty'n-y-Cellar Standing Stone Standing stone Margam 51°32′23″N 3°43′42″W / 51.5398°N 3.7282°W / 51.5398; -3.7282 (Ty'n-y-Cellar Standing Stone),
Large sandstone undressed block, 2.5 metres (8.2 ft) high and 1.4 metres (4.6 ft) across. It is in a field adjoining the M4, but tree growth means it is no longer visible from the motorway. Also called Ty-Du and Ty'n Cellar Standing Stone. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Cefn Mawr cairn Round cairn Pelenna 51°40′27″N 3°40′41″W / 51.6741°N 3.6781°W / 51.6741; -3.6781 (Cefn Mawr cairn),
Round cairn sited on a spur at the end of a broad ridge 1 km SW of Cefnmawr summit. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Foel Fynyddau Round Cairn Round cairn Pelenna and Cwmafan 51°37′41″N 3°45′36″W / 51.628°N 3.7599°W / 51.628; -3.7599 (Foel Fynyddau Round Cairn),
Cairn of small stones on the summit of Foel Fynyddau, with a trig point set into one side. The summit has been disturbed by nearby copper workings, and has three large communications masts, with assorted huts. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Burial Chamber near Carn Llechart Chambered tomb Pontardawe 51°44′24″N 3°53′20″W / 51.7399°N 3.889°W / 51.7399; -3.889 (Burial Chamber near Carn Llechart),
Opinion has swung back and forth on whether this is a natural collection of stone slabs or a neolithic tomb. One explanation could be that the largest stones, the 'capstone' and a supporting slab, may be in situ, but were utilised to create a tomb, possibly covered by a cairn. The site is on a broad ridge of Mynydd Carnlechert, 60m west of the Carn Lechart burial (GM078), further down the slope, and can be seen from there. 1.1Brown pog.svg Prehistoric
Carn Llechart cairn circle Carn Llechart Stone Circle Ring cairn Pontardawe 51°44′24″N 3°53′17″W / 51.74°N 3.888°W / 51.74; -3.888 (Carn Llechart Stone Circle),
25 stone slabs, set on edge to form a circle 14m across, on the skyline of a broad ridge of Mynydd Carnlechert. An open stone-lined cist 2.1m long is in the centre. It was first noted in 1695 in William Camden's Britannia. It may once have had a mound, but it is more likely it was always a ring cairn, a raised ring with its central area at ground level. It is a burial site, thought to date to 1000-2000BC. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Mynydd y Garth Cairn Round cairn Pontardawe 51°45′10″N 3°52′12″W / 51.7529°N 3.8701°W / 51.7529; -3.8701 (Mynydd y Garth Cairn),
Cairn of loose stones, on the ridge south of Mynedd y Garth summit. It is 12m across, although some surviving kerb stones are within the current circumference. (A presumed cairnfield on other parts of the mountaintop are now thought to be natural or field clearance stone heaps.) 1.3Brown pog.svg Prehistoric
(Bronze Age)
Carn Cornel Round Cairn Round cairn Seven Sisters 51°44′34″N 3°42′55″W / 51.7428°N 3.7152°W / 51.7428; -3.7152 (Carn Cornel Round Cairn),
Cairn on the shoulder of hillside, west of the Hirfynydd ridge and Sarn Helen Roman road. It occupies what appears to be a natural mound. Close by is a boundary stone, suggesting that the site became a historic boundary mark. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Ergyd Isaf Round Barrows Round cairn Tai-Bach 51°35′02″N 3°44′29″W / 51.5838°N 3.7414°W / 51.5838; -3.7414 (Ergyd Isaf Round Barrows),
Two circular grass-covered mounds on a hilltop site, with good intervisibility with other burial sites in the area. 1.3Brown pog.svg Prehistoric
(Bronze Age)
Blaen-Cwmbach Earthwork Enclosure Tonna 51°40′30″N 3°44′47″W / 51.675°N 3.7463°W / 51.675; -3.7463 (Blaen-Cwmbach Earthwork),
An unfinished defensive ringwork on the edge of the scarp, next to the Roman Camp (GM258). 1.5Brown pog.svg Prehistoric
(Iron Age)
Remains of Nidum Forth south gates Nidum Roman fort, Neath Roman Fort Blaenhonddan 51°39′53″N 3°48′47″W / 51.6647°N 3.8131°W / 51.6647; -3.8131 (Nidum Roman fort, Neath),
Auxiliary fort first built in around 74AD, rebuilt in stone and intermittently occupied through to the 3rd century. Much of the site is in the grounds of Dwr-y-Felin Comprehensive School, where a 2011 dig found gate-towers that extended out beyond the wall line, unique in Britain for its time.[47] 2Blue pog.svg Roman
Cwm Caca, vicinity of the Roman Camp Melin Court Roman Marching Camp Roman marching camp Clyne and Melincourt 51°41′14″N 3°41′02″W / 51.6871°N 3.684°W / 51.6871; -3.684 (Melin Court Roman Marching Camp),
Square sided embankments on the upper Melin Court valley, also known as Caen Caca Marching camp. It is next to an Iron Age enclosure (GM366), very like the paring of the enclosure and Roman camp at Blaen-Cwmbach, 3.7 kilometres (2.3 mi) to the west. 2Blue pog.svg Roman
Coelbren Roman Fort Roman fort Onllwyn 51°47′01″N 3°39′17″W / 51.7835°N 3.6548°W / 51.7835; -3.6548 (Coelbren Roman Fort),
Roman auxiliary fort at the northern extremity of Neath Port Talbot, next to the border with Powys. Construction began around 74AD, with a second construction phase, possibly associated with the laying out of the Sarn Helen road, which heads NE from just outside the fort. Occupation ceased by the mid-2nd century. The fort was first documented in 1907. 2Blue pog.svg Roman
Coelbren Roman Marching Camp Roman marching camp Onllwyn 51°46′47″N 3°39′03″W / 51.7796°N 3.6508°W / 51.7796; -3.6508 (Coelbren Roman Marching Camp),
Large rectangular enclosure, 438 metres (1,437 ft) long, defining a Roman marching camp. It is less than 200 metres from Coelbren Roman Fort (GM146), on what is now rough wet land, bounded on three sides by the Camnant and Pyrddin rivers. 2Blue pog.svg Roman
Hirfynydd fortlet Roman signal station Seven Sisters 51°44′48″N 3°41′52″W / 51.7466°N 3.6979°W / 51.7466; -3.6979 (Hirfynydd Fortlet),
A small square enclosure, 18x19 metres, with rounded corners, high up on the 450 metres (1,480 ft) Hirfynydd ridge between the Neath and Swansea valleys. Situated on the Neath to Brecon Sarn Helen road, which it would have helped control, its other use is thought to have been as a signal station. 2Blue pog.svg Roman
Looking north along western side of the Blaen Cwm Bach Roman marching camp Blaen Cwm Bach Camp Marching camp Tonna 51°40′30″N 3°44′22″W / 51.6751°N 3.7394°W / 51.6751; -3.7394 (Blaen Cwm Bach Camp),
Rectangular Roman camp 880 metres (960 yd) from east to west, and 300 metres (330 yd) wide, defined by bank and ditch cut into the rocky ground, on the top of a broad ridge on the hill above Tonna. This is right next to an Iron Age enclosure (GM277), an arrangement repeated 3.7 kilometres (2.3 mi) at Melin Court camp. 2Blue pog.svg Roman
Court Herbert Cross & Grave Slab Cross Dyffryn Clydach 51°39′48″N 3°49′19″W / 51.6633°N 3.8219°W / 51.6633; -3.8219 (Court Herbert Cross & Grave Slab),
A pillar with two crosses carved into it (one 7th to 8th centuries, the other 9th century). A grave slab, reputedly of the first abbot of Neath Abbey, lies nearby. They are now close to the A4230 in Neath, possibly moved to what was then Court Herbert park in the 19th century. 3Green pog.svg Early Medieval
Clawdd Mawr, Mynydd Caerau Linear earthwork Glyncorrwg 51°38′28″N 3°35′54″W / 51.641°N 3.5983°W / 51.641; -3.5983 (Clawdd Mawr, Mynydd Caerau),
A bank and ditch running for 200m across a col separating Mynydd Caerau and the Mynyd Llangeinwyr ridge 3Green pog.svg Early Medieval
Margam Stones Museum, ground floor Margam Inscribed & Sculptured Stones Property in the care of Cadw[56] Cross Margam 51°33′49″N 3°43′52″W / 51.5637°N 3.7312°W / 51.5637; -3.7312 (Margam Inscribed & Sculptured Stones),
A collection of carved stone pillars and crosses, mostly from the immediate locality, many dating to late Roman and early medieval periods, now housed in the Margam Stones Museum, near Margam Abbey. The stones were collected by the Talbot family during the 18th and 19th-centuries. Some of the stones have known source sites which are themselves scheduled. The museum is run by Cadw, and open to the public. 3Green pog.svg Early Medieval
Sculptured Cross Llanmihangel Farm Cross Margam 51°31′55″N 3°42′30″W / 51.532°N 3.7082°W / 51.532; -3.7082 (Sculptured Cross Llanmihangel Farm),
Fragment of a Celtic 'cartwheel cross' head, now built into a wall east of Llanmihangel farmhouse. It may have originated from the nearby St Michael's Grange. 3Green pog.svg Early Medieval
Cefn Morfydd Dyke & Earthwork Linear earthwork Tonna 51°40′05″N 3°45′12″W / 51.668°N 3.7533°W / 51.668; -3.7533 (Cefn Morfydd Dyke & Earthwork),
This bank with shallow ditch runs across the ridge of Cefn Morfydd, disrupted at its east end by an industrial tramway. 3Green pog.svg Early Medieval
Plas Baglan fortified enclosure is probably amongst the trees beyond the clearing. Plas Baglan Castle Baglan 51°36′57″N 3°47′52″W / 51.6157°N 3.7979°W / 51.6157; -3.7979 (Plas Baglan),
12th-century defensive house overlooking Baglan, occupied until the 17th-century. Only a platform and traces of masonry remain. 4Gold pog.svg Medieval
Ruined medieval church of St Baglan, Port Talbot St Baglan's Church Church Baglan 51°36′56″N 3°48′06″W / 51.6156°N 3.8016°W / 51.6156; -3.8016 (Ruins of St Baglan's Church),
Medieval Church, now in the overgrown corner of the large churchyard. It appears to be a pre-Norman foundation, with two early Christian stones in the churchyard. It was replaced by a newer church in the same churchyard in 1882, but only became derelict after a fire in 1954. 4Gold pog.svg Medieval
St Margaret's Chapel Church Coedffranc 51°37′47″N 3°52′20″W / 51.6297°N 3.8723°W / 51.6297; -3.8723 (St Margaret's Chapel),
First recorded in 1291, this was a chapel of St Margaret's Grange, an outlier of Neath Abbey. The site, near Jersey Marine, was excavated in 1931. 4Gold pog.svg Medieval
Hirfynydd house platforms. House platform Crynant 51°44′35″N 3°43′50″W / 51.743°N 3.7306°W / 51.743; -3.7306 (Hirfynydd house platforms.),
On the edge of a plateau of the Hirfynydd ridge, beside the steep slopes of the Dulais valley, the banked rectangular enclosure has a house platform in the west corner. Two further platforms are west of the enclosure. Also called Coed Ddu and Nant-y-Cafn enclosure. 4Gold pog.svg Medieval
Tirlan medieval house sites Platform house Crynant 51°42′32″N 3°47′32″W / 51.709°N 3.7922°W / 51.709; -3.7922 (Tirlan medieval house sites),
Two platform houses 120m apart, beside a track on the south-east flank of Mynnydd Marchywel, near Tyrlan. Cultivation ridges are in the vicinity. Also described as Platform Houses 1600m SE of Blaen-Nant Farm 4Gold pog.svg Medieval
Castell Bowlan Motte Cwmavon 51°36′49″N 3°46′52″W / 51.6135°N 3.781°W / 51.6135; -3.781 (Cwm-Clais Castle Mound),
Also called Cwm-Clais, it may be a 12th-century Welsh castle, built in imitation of Norman mottes. Edward Lhuyd in the 17th century recorded a group of three castles, "Castel y Wiryones", "y Castell" and "Ben y Castell", which may refer to this, along with Plas Baglan (GM358) and Pen-y-Castell (GM098). It may be the castle belonging to Morgan Gam where Herbert Fitzmatthew was killed. 4Gold pog.svg Medieval
Mynydd Drumau settlement platforms House platform Dyffryn Clydach 51°41′13″N 3°50′30″W / 51.687°N 3.8417°W / 51.687; -3.8417 (House Platforms West of Dyffryn Wood),
A group of house platforms, cut into the steep hillside below the summit of Mynydd Drumau. 4Gold pog.svg Medieval
Neath Abbey and the Tennant Canal Neath Abbey and Gatehouse Property in the care of Cadw[67] Abbey Dyffryn Clydach 51°39′40″N 3°49′34″W / 51.6612°N 3.826°W / 51.6612; -3.826 (Neath Abbey & Gatehouse),
Cistercian monastery, once the largest abbey in Wales. Following its dissolution, the Herbert Mansion was built on the Abbot's lodging, and the area then became an industrial site. The substantial ruins were excavated in 1924 and 1934, and taken into public ownership in 1944. It is now in the care of Cadw and open to the public. The 12th-century gatehouse is north of the New Road. 4Gold pog.svg Medieval
Hen Eglwys, a ruined chapel above Margam Park Hen Eglwys Chapel Margam 51°33′53″N 3°43′51″W / 51.5648°N 3.7308°W / 51.5648; -3.7308 (Hen Eglwys),
Also known as Cryke Chapel and dated to 1470, this grange of nearby Margam Abbey (GM005) is on the hillside of Craig-y-capel. The gable-ends, with window tracery are the principle survivals, and provided a gothic landmark and viewpoint for the 19th-century parkland of Margam Castle. There was a burial ground and a holy well known as Ffynnon Mair. 4Gold pog.svg Medieval
Margam Abbey with Margam Castle in the background Margam Abbey Abbey Margam 51°33′44″N 3°43′47″W / 51.5623°N 3.7298°W / 51.5623; -3.7298 (Margam Abbey),
Founded in 1147, St Mary's Abbey was dissolved in 1536. The nave survives as Margam parish church. The remainder of the abbey complex was acquired by the Mansel, and later the Talbot family, who incorporated the ruins into their parkland and Margam Castle. A 12-sided chapter house has been restored. The outer precincts may have occupied a much larger area than the currently defined inner core area. 4Gold pog.svg Medieval
Margam Medieval Bath House Bath-house Margam 51°34′06″N 3°43′42″W / 51.5684°N 3.7284°W / 51.5684; -3.7284 (Margam Medieval Bath House),
Also known as Ffynnon Fyggyr (medicinal well) this may be a healing well, though also used for baptisms by Hen Eglwys (GM163) and later as a Monastic baths for Margam Abbey (GM005). The present structure, 14th or 15th century but probably on an older site, has a stone vaulted roof over a 1m deep pool with original flagstones. 4Gold pog.svg Medieval
Neath Castle Neath Castle Castle Neath 51°39′54″N 3°48′13″W / 51.6651°N 3.8035°W / 51.6651; -3.8035 (Neath Castle),
Neath's second castle, this is first documented in 1183. (A castle of 1120 was located across the river near the Roman Fort - GM215) Destroyed in 1321 and rebuilt in 1377, this one was in use until the 17th-century, and has been a recreational area for the town since the 18th-century. 4Gold pog.svg Medieval
House Platforms on the north slope of Foel Fynyddau Foel Fynyddau Deserted Rural Settlement House platform Pelenna 51°38′06″N 3°45′34″W / 51.6351°N 3.7595°W / 51.6351; -3.7595 (Deserted Rural Settlement North of Foel Fynyddau),
800m North of the summit of Foel Fynyddaum two sets of earthwork house platforms and a sunken storehouse mark the location of a medieval settlement 4Gold pog.svg Medieval
The 'blowing house' of Venallt Blast Furnace Remains of Venallt Ironworks Ironworks Blaengwrach 51°43′55″N 3°38′45″W / 51.7319°N 3.6459°W / 51.7319; -3.6459 (Remains of Venallt Ironworks),
Blast furnaces on the western edge of Cwmgwrach, built in 1839-42 to use anthracite-fired 'hot-blast' method of iron smelting. Also called Yr Wenallt. 5Red pog.svg Post-Medieval/ Modern
Tennant Canal Aqueduct over the River Neath at Aberdulais Aberdulais Aqueduct Aqueduct Blaenhonddan 51°40′44″N 3°46′34″W / 51.679°N 3.7762°W / 51.679; -3.7762 (Aberdulais Aqueduct),
Built in 1823 to cross the River Neath and link the Tennant and Neath Canals. With 10 stone arches it is the longest aqueduct in South Wales. 5Red pog.svg Post-Medieval/ Modern
Waterwheel and industrial remains, Aberdulais Falls Tinplate works at Aberdulais Falls  NT  Tinplate Works Blaenhonddan 51°40′51″N 3°46′40″W / 51.6807°N 3.7779°W / 51.6807; -3.7779 (Tinplate works at Aberdulais Falls),
Industrial site originating with waterpowered metalworking in 1584. Now open to the public 5Red pog.svg Post-Medieval/ Modern
Bridge on the Ynysmaerdy Railway Incline Ynysmaerdy Railway Incline Railway Briton Ferry 51°38′24″N 3°48′22″W / 51.6401°N 3.8061°W / 51.6401; -3.8061 (Ynysmaerdy Railway Incline),
Inclined plane railway, designed in the 1850s by Brunel to bring coal to Briton Ferry Docks, and abandoned in 1910 5Red pog.svg Post-Medieval/ Modern
Waun y Coed Colliery Branch Canal and Tramroad Incline Industrial monument Cilybebyll 51°43′43″N 3°49′45″W / 51.7285°N 3.8292°W / 51.7285; -3.8292 (Waun y Coed Colliery Branch Canal and Tramroad Incline),
Complex arrangement of tramway, canal branch, and canal dock, to link the Waun y Coed Colliery and nearby Ynyscedwyn Ironworks with the canal to Swansea. This required a tramway bridge over the River Tawe, now gone, and wharves and 300m of canal, now filled in, that linked to the Swansea Canal. Several buildings and foundations of numerous structures remain. 5Red pog.svg Post-Medieval/ Modern
Tennant Canal: Skewen Cutting and tramroad bridge Canal Coedffranc 51°39′30″N 3°50′05″W / 51.6583°N 3.8346°W / 51.6583; -3.8346 (Tennant Canal: Skewen Cutting and tramroad bridge),
A stone lined section of the Tennant Canal where it runs though the Skewen Cutting, in Neath. Built by William Kirkhouse in 1821, the canal linked the Neath Valley to Swansea docks. The stone lining was to counteract a problem with quicksand. The bridge carried a pre-existing horse-drawn railway, at a time when Britain was the only country in the world with surface railways. 5Red pog.svg Post-Medieval/ Modern
Cwmafan copper works flue Chimney Cwmavon 51°37′31″N 3°45′33″W / 51.6254°N 3.7592°W / 51.6254; -3.7592 (Cwmafan copper works flue),
Culvert running up the hillside to a former stack on the summit of Foel Fynyddau. The flue vented fumes from copper smelting works, which were in use from 1838 to 1906. The stack was demolished in 1940 in case Luftwaffe bombers used it for navigation. Further damage occurred when a communication mast was built. 5Red pog.svg Post-Medieval/ Modern
Neath Abbey Ironworks blast furnaces Neath Abbey Ironworks Industrial monument Dyffryn Clydach 51°39′52″N 3°49′36″W / 51.6644°N 3.8268°W / 51.6644; -3.8268 (Neath Abbey Ironworks),
Two blast furnaces and engineering works, with a forge and rolling mill upstream. It was in use from the 1790s to 1885. They were acquired by the Fox and later Price families, who expanded to other sites in the Neath valley. Steam Engine manufacture was an early specialism and shipbuilding were amongst the items produced. Their Quaker principles meant they were against any production of armaments. 5Red pog.svg Post-Medieval/ Modern
Machinery at Cwm Clydach pond Neath Abbey Ironworks Dam Dam Dyffryn Clydach 51°40′25″N 3°49′29″W / 51.6735°N 3.8248°W / 51.6735; -3.8248 (Neath Abbey Ironworks Dam),
Dam on the river Clydach, to provide a constant water supply for the ironworks waterwheel. Built in 1840. 5Red pog.svg Post-Medieval/ Modern
Ynys Fawr Corn-Drying Kiln Corn-drying kiln Glyncorrwg 51°38′25″N 3°43′19″W / 51.6403°N 3.722°W / 51.6403; -3.722 (Cynon Corn-Drying Kiln),
An inverted dry stone walled cone, set in the ground, provided a 3m wide space over which skins could be stretched, and grain spread out. A connecting tunnel allowed a fire to warm the air under the grain, and dry it out ready for storage. 5Red pog.svg Post-Medieval/ Modern
Leat & Dam at Llanmihangel Mill Leat Margam, (also Cornelly), (see also Bridgend) 51°31′42″N 3°42′04″W / 51.5282°N 3.7012°W / 51.5282; -3.7012 (Leat & Dam at Llanmihangel Mill),
A three-storey watermill, with pit wheel, machinery and stones largely intact, having ceased use in 1940. The dam and leat bring water from the nearby River Cynfig. The site was recorded as a mill in 1291, but the remains are from the early 19th-century. 5Red pog.svg Post-Medieval/ Modern
Remains of Blast Furnaces at Banwen Blast Furnace Onllwyn 51°46′52″N 3°38′33″W / 51.7811°N 3.6425°W / 51.7811; -3.6425 (Remains of Blast Furnaces at Banwen),
The most intact of the ironworks on the anthracite coalfield. Built in 1845, and connected to the Swansea Canal by an edge rail wagonway, it may have produced no more than 80 tons of pig iron. Blast furnaces, charging platform, weighbridge and enginehouse all remain after its short-lived operation. 5Red pog.svg Post-Medieval/ Modern
Cwm Pelenna Colliery Ventilation Furnace Industrial monument Pelenna 51°39′40″N 3°42′43″W / 51.6612°N 3.7119°W / 51.6612; -3.7119 (Cwm Pelenna Colliery Ventilation Furnace),
Stone chimney and hillside flue, used to ventilate the coal mine in the 1830s. It was re-used in the mid-20th-century, with a fan system. 5Red pog.svg Post-Medieval/ Modern
Aqueduct (now cycleway) over the valley at Pontrhydyfen Pontrhydyfen Aqueduct / Viaduct Aqueduct Pelenna 51°37′59″N 3°44′29″W / 51.633°N 3.7415°W / 51.633; -3.7415 (Pontrhydyfen Aqueduct / Viaduct),
Completed in 1825 to provide a wagonway across the Afan valley, it is a 425 yards (389 m) bridge with four huge arches, and is also known as 'Y Bont Fawr' (The Big Bridge). It had a sunstantial trough to carry water across the valley to power the waterwheels of Cwmafon steelworks. It is now a cycle and pedestrian routeway. (A second viaduct crosses the river Afan to the west, taking a railway up Cwm Pelenna.) 5Red pog.svg Post-Medieval/ Modern
Melin Court Blast Furnace Blast Furnace Resolven 51°42′10″N 3°42′08″W / 51.7027°N 3.7022°W / 51.7027; -3.7022 (Blast Furnace at Melin Court),
Operating between 1708 and 1808 this is an early and significant ironworks, standing on precipitous cliffs above the Melincourt brook. Also known as Melincwrt Ironworks, it had furnace, foundry and a wide range of ancillary buildings, now standing in ruins among woodland. 5Red pog.svg Post-Medieval/ Modern
Claypon's Tramroad at Ystradgynlais Tramroad Seven Sisters, (also Ystradgynlais and Tawe-Uchaf, see Powys) 51°46′24″N 3°43′18″W / 51.7734°N 3.7218°W / 51.7734; -3.7218 (Tramroad at Ystradgynlais),
Early tramroad, bringing coal from Drim Colliery and limestone (needed as a flux) from the quarries of Mynydd y Drum to the Ynyscedwyn Ironworks in the Swansea Valley. Built by Joseph Claypon in 1832 and in use until 1867, the tramroad linked with the Brecon Forest Tramroad,[89] and parts were later incorporated into the Swansea Vale Railway. 5Red pog.svg Post-Medieval/ Modern
The remains of 'Parson's Folly' Tramroad Parsons' Folly (Glyncorrwg Mineral Railway) Railway Tonna 51°40′09″N 3°45′05″W / 51.6691°N 3.7514°W / 51.6691; -3.7514 (Glyncorrwg Mineral Railway (Parsons Folly)),
12 km wagonway, with steep inclines to haul coal trucks over the hills from the Blaencregan colliery to the canals of the Neath valley. The construction and operating costs proved unfeasable and both Mr Parsons and his successor were bankrupted by the enterprise. Built between 1839 and 1842 with massive inclines and a steam-powered winding house, it was abandoned in 1852. The scheduled section is on the west side of Cefn Morfudd. 5Red pog.svg Post-Medieval/ Modern
Remains of Lock and Dry Dock at Pantyffynnon Lock Ystalyfera 51°45′05″N 3°48′01″W / 51.7513°N 3.8003°W / 51.7513; -3.8003 (Remains of Lock and Dry Dock at Pantyffynnon),
At Lock 17 (or 'sawmill lock') of the Swansea Canal, a dry dock was installed in 1875-6, shortly after the canal was sold to the Great Western Railway. The dry dock was alongside the normal lock, and enabled boats to be floated into place and rested on timber supports, so that the hull could be worked on after the water was emptied. Close by was the quay for Crimea Colliery (GM453) 5Red pog.svg Post-Medieval/ Modern
Briton Ferry Dock Entrance Dockyard Briton Ferry 51°37′37″N 3°49′37″W / 51.627°N 3.8269°W / 51.627; -3.8269 (Briton Ferry Dock Entrance),
Designed by Brunel in 1861, this had an experimental buoyant lockgate system between the tidal and inner docks in the Neath Estuary. 5.8Red pog.svg Post-Medieval/ Modern
Cae'r Mynydd Ventilation Furnace and Mine Colliery Bryn 51°37′13″N 3°41′40″W / 51.6204°N 3.6944°W / 51.6204; -3.6944 (Cae'r Mynydd Ventilation Furnace and Mine),
Dated to early 19th-century, before the development of powered fans for ventilation. A brazier within the furnace building created an updraft which sucked old air out of the mine, to be replaced by fresh air via other entrances. This furnace ventilated a drift mine. It is a well-preserved example of early mine ventilation technology. 5.8Red pog.svg Post-Medieval/ Modern
Skew bridge at Aberdulais canal basin Canal Boat at Aberdulais Basin Canal Boat Tonna 51°40′46″N 3°46′31″W / 51.6794°N 3.7752°W / 51.6794; -3.7752 (Canal Boat at Aberdulais Basin),
Aberdulais basin is the point where the Neath and Tennant canals meet. Several old canal boats were abandoned beside the canal basin, and have now all but disappeared into the banks. The location of one, on the west bank of the Tennant canal, is a scheduled site. 5.8Red pog.svg Post-Medieval/ Modern
Swansea Canal Aqueduct at Ystalyfera River Twrch Aqueduct, Ystalyfera Aqueduct Ystalyfera, (also Ystradgynlais), (see also Powys) 51°46′06″N 3°46′48″W / 51.7684°N 3.7799°W / 51.7684; -3.7799 (Canal Aqueduct over the River Twrch, Ystalyfera),
Stone aqueduct built over a weir, carrying the Swansea Canal over the River Twrch. Its three massive arches make it the largest of the five aqueducts on the canal. Built in 1798 by Thomas Sheasby, it was innovative in using Hydraulic cement to line the trough instead of puddled clay. Its proximity to the Capitol Cinema gave it the local name of 'Capitol Bridge'. It was restored in 1995 but is not currently water-filled, the canal route on either side being dry. 5.8Red pog.svg Post-Medieval/ Modern
Crimea Colliery & Canal Quay Coal mine Ystalyfera 51°45′01″N 3°48′07″W / 51.7504°N 3.8019°W / 51.7504; -3.8019 (Crimea Colliery & Canal Quay),
The Crimea coalmine only operated for 8 years, from 1854 to 1862, and the site has been abandoned ever since. Amongst the regenerating woodland are the substantial ruins of a beam-engine pumping-house, a winding house and chimney, and a complete surface layout of a mid-19th-century colliery. A short tramroad led to a quay on the Swansea Canal, 200m south of the dry dock (GM397). 5.8Red pog.svg Post-Medieval/ Modern
Cilybebyll Auxiliary Unit Operational Base Observation Post Cilybebyll 51°43′23″N 3°48′36″W / 51.723°N 3.8101°W / 51.723; -3.8101 (Cilybebyll Auxiliary Unit Operational Base),
Underground chamber in woodland, with a concrete floor, brick walls and corrugated iron roof. Built to be a concealed base for defense in the event of invasion. 5.9Red pog.svg Post-Medieval/ Modern
Pentreclwydau coalmine, Glynneath, a mid 20th century drift mine Pentreclwydau Colliery Coal mine Glynneath 51°43′59″N 3°40′08″W / 51.733°N 3.669°W / 51.733; -3.669 (Pentreclwydau Colliery),
Anthracite coalmine opened by the nationalised British Coal Board in 1957, and worked out 10 years later. It was a drift mine, driven sideways into the hillside south of Glynneath. 5.9Red pog.svg Post-Medieval/ Modern
Coast Defence Radar Station overlooking Swansea Bay Chain Home Low Radar Station, Margam Radar station Margam 51°34′11″N 3°44′34″W / 51.5698°N 3.7428°W / 51.5698; -3.7428 (Chain Home Low Radar Station, Margam),
One of a network of early warning radar stations around the coast of Britain, constructed from 1941 to look for German bombers and shipping during World War II. They complemented the earlier Chain Home stations by being able to detect low-flying planes. The Margam station has three flat-topped buildings within the Country Park, high on the escarpment, overlooking Port Talbot and Swansea Bay. 5.9Red pog.svg Post-Medieval/ Modern

See also


  • Coflein is the website database of RCAHMW, GGAT is the Glamorgan-Gwent Archaeological Trust, Cadw is the Welsh Historic Monuments Agency
  1. Cadw: Ancient Monuments and Scheduling. Accessed 25 April 2013
  2. Cadw will send their list as a spreadsheet, or other electronic formats, on request, as indicated at This list uses information dated May 2012
  3. coflein NPRN: 301313. GGAT PRN: 00652w. Cadw SAM: GM263: Craig Ty-Isaf Camp
  4. coflein NPRN: 304771. GGAT PRN: 00577w. Cadw SAM: GM235: Foel Chwern Round Cairn
  5. coflein NPRN: 301301. GGAT PRN: 00679w. Cadw SAM: GM054: Buarth y Gaer, Mynydd y Gaer
  6. coflein NPRN: 307226. GGAT PRN: 00583w. Cadw SAM: GM170: Carreg Hir Standing Stone, Pen-Rhiw-Tyn
  7. coflein NPRN: 301316. GGAT PRN: 00651w. Cadw SAM: GM055: Mynydd y Gaer (Lower) Camp
  8. coflein NPRN: 300038. GGAT PRN: 02953w. Cadw SAM: GM514: Burial Chamber at Pen-yr-Alltwen
  9. Stone 1: coflein NPRN: 300172, GGAT PRN: 00516w. Stone 2: coflein NPRN: 300174. GGAT PRN: 02668w. Cadw SAM: GM342: Standing Stones 300m W of Cefncelfi
  10. coflein NPRN: 301306. GGAT PRN: 00564w. Cadw SAM: GM366: Camp 280m S of Melin Court Brook
  11. coflein NPRN: 307382. GGAT PRN: 00687w. Cadw SAM: GM276: Pen-Rhiw-Angharad Round Cairns
  12. coflein NPRN: 304775. GGAT PRN: 00561w. Cadw SAM: GM385: Three Round Cairns on Carn Caca
  13. coflein NPRN: 307242. GGAT PRN: 00641w. Cadw SAM: GM290: Gelli-Bwch Round Cairn
  14. coflein NPRN: 275862. GGAT PRN: 01537w. Cadw SAM: GM291: Llandarcy Round Cairn
  15. coflein NPRN: 304577. GGAT PRN: 00518w. Cadw SAM: GM327: Cairn on Mynydd-March-Hywel
  16. coflein NPRN: 304765. GGAT PRN: 00529w. Cadw SAM: GM592: Coed Ddu ring cairn
  17. coflein NPRN: 304578. GGAT PRN: 00522w. Cadw SAM: GM531: Mynydd March Hywel Round Cairn
  18. coflein NPRN: 307232. GGAT PRN: 00678w. Cadw SAM: GM098: Pen-y-Castell
  19. coflein NPRN: 307223. GGAT PRN: 00581w. Cadw SAM: GM382: Carreg Bica Standing Stone
  20. coflein NPRN: 307220. GGAT PRN: 00582w. Cadw SAM: GM383: Three Round Cairns on Mynydd Drumau
  21. coflein NPRN: 307221. GGAT PRN: 00505w. Cadw SAM: GM387: Round Cairn with Cist on Mynydd Drumau
  22. coflein NPRN: 307653. GGAT PRN: 00720w. Cadw SAM: GM234: Bachgen Carreg Round Cairn
  23. coflein NPRN: 304767. GGAT PRN: 00574w. Cadw SAM: GM538: Bryn Llydan Round Barrow
  24. coflein NPRN: 304766. GGAT PRN: 00573w. Cadw SAM: GM577: Carn Caglau cairn
  25. coflein NPRN: 301310. GGAT PRN: 00709w. Cadw SAM: GM245: Cefn yr Argoed Camp
  26. coflein NPRN: 301286. GGAT PRN not yet identified. Cadw SAM: GM233: Crug yr Afan Round Cairn
  27. coflein NPRN: 307446. GGAT PRN: 00926w. Cadw SAM: GM244: Nant Herbert Camp
  28. coflein NPRN: 301297. GGAT PRN: 00721w. Cadw SAM: GM330: Pebyll Ring Cairn
  29. coflein NPRN: 301338. GGAT PRN: 00776w. Cadw SAM: GM090: Camp 530m E of Tonmawr. Scheduled area extended in 2002 to include outer enclosure
  30. coflein NPRN: 301334. GGAT PRN: 00758w. Cadw SAM: GM057: Camp N of Tonmawr
  31. coflein NPRN: 307273. GGAT PRN: 00774w. Cadw SAM: GM056: Danish Camp
  32. coflein NPRN: 307288. GGAT PRN: 00749w. Cadw SAM: GM159: Ergyd Uchaf Round Barrow
  33. coflein NPRN: 301319. GGAT PRN: 00745w. Cadw SAM: GM477: Half Moon Camp
  34. coflein NPRN: 301336. GGAT PRN: 00756w. Cadw SAM: GM162: Mynydd y Castell Camp
  35. coflein NPRN: 301304. GGAT PRN: 00759w. Cadw SAM: GM058: Roman Camp
  36. coflein NPRN: 301392. GGAT PRN: 00753w. Cadw SAM: GM443: Site of Bodvoc Stone
  37. coflein NPRN: 307279. GGAT PRN: 00754w. Cadw SAM: GM557: Twmpath Diwlith Round Barrow
  38. coflein NPRN: 307341. GGAT PRN: 00789w. Cadw SAM: GM179: Ty'n-y-Cellar Standing Stone
  39. coflein NPRN: 307405. GGAT PRN: 00686w. Cadw SAM: GM581: Cefn Mawr cairn
  40. coflein NPRN: 307233. GGAT PRN: 00649w. Cadw SAM: GM279: Foel Fynyddau Round Cairn
  41. coflein NPRN: 93287. GGAT PRN: 00347w. Cadw SAM: GM480: Burial Chamber Nr Carn Llechart
  42. coflein NPRN: 301289. GGAT PRN: 00355w. Cadw SAM: GM078: Carn Llechart Stone Circle
  43. coflein NPRN: 304565. GGAT PRN: 00485w. Cadw SAM: GM612: Mynydd y Garth Cairn
  44. coflein NPRN: 304760. GGAT PRN: 00533w. Cadw SAM: GM275: Carn Cornel Round Cairn
  45. coflein NPRN: 305629. GGAT PRN: 00741w. Cadw SAM: GM160: Ergyd Isaf Round Barrows
  46. coflein NPRN: 307217. GGAT PRN: 00615w. Cadw SAM: GM277: Blaen-Cwmbach Earthwork
  47. Nidum Roman dig in playing fields BBC Wales, 21 February 2011
  48. coflein NPRN: 301350. GGAT PRN: 00620w. Cadw SAM: GM215: Neath Roman Site
  49. coflein NPRN: 304777. GGAT PRN: 00875w. Cadw SAM: GM367: Roman Marching Camp South West of Melin Court Brook
  50. coflein NPRN: 301348. GGAT PRN: 00526w. Cadw SAM: GM146: Coelbren Fort
  51. coflein NPRN: 301347. GGAT PRN: 00527w. Cadw SAM: GM343: Roman Marching Camp South East of Coelbren Fort
  52. coflein NPRN: 93165. GGAT PRN: 00541w. Cadw SAM: GM274: Hirfynydd Roman Earthwork
  53. coflein NPRN: 301344. GGAT PRN: 00616w. Cadw SAM: GM258: Blaen-Cwmbach Camp
  54. coflein NPRN: 301394. GGAT PRN: 00588w. Cadw SAM: GM207: Court Herbert Cross & Grave Slab
  55. coflein NPRN: 307434. GGAT PRN: 02791.0w. Cadw SAM: GM231: Clawdd Mawr, Mynydd Caerau
  56. Margam Stones Museum
  57. coflein NPRN: 94512. GGAT PRN not yet identified. Cadw SAM: GM011: Margam Inscribed & Sculptured Stones
  58. coflein NPRN: 19186. GGAT PRN: 00807w. Cadw SAM: GM345: Sculptured Cross Llanmihangel Farm
  59. coflein NPRN: 307208. GGAT PRN: 02790.0w. Cadw SAM: GM264: Cefn Morfydd Dyke & Earthwork
  60. coflein NPRN: 307236. GGAT PRN: 00654w. Cadw SAM: GM358: Plas Baglan
  61. coflein NPRN: 174. GGAT PRN: 00653w. Cadw SAM: GM428: Ruins of St Baglan's Church
  62. coflein NPRN: 307238. GGAT PRN: 00642w. Cadw SAM: GM362: St Margaret's Chapel
  63. coflein NPRN: 15420. GGAT PRN: 00545w. Cadw SAM: GM593: Coed Ddu house platforms and enclosure
  64. coflein NPRN: 15387. GGAT PRN: 00524w. Cadw SAM: GM326: Two Platform Houses 1600m SE of Blaen-Nant Farm
  65. coflein NPRN: 307228. GGAT PRN: 00673w. Cadw SAM: GM289: Cwm-Clais Castle Mound
  66. coflein NPRN: 304630. GGAT PRN: 00812w. Cadw SAM: GM549: House Platforms West of Dyffryn Wood
  67. Neath Abbey
  68. coflein NPRN: 133. GGAT PRN: 00585w. Cadw SAM: GM006: Neath Abbey & Gatehouse
  69. coflein NPRN: 307267. GGAT PRN: 00765w. Cadw SAM: GM163: Hen Eglwys
  70. coflein NPRN: 132. GGAT PRN: 00771w. Cadw SAM: GM005: Margam Abbey
  71. coflein NPRN: 32343. GGAT PRN: 04796w. Cadw SAM: GM545: Margam Medieval Bath House
  72. coflein NPRN: 94528. GGAT PRN: 00624w. Cadw SAM: GM039: Neath Castle
  73. coflein NPRN: 15352. GGAT PRN: 00663w. Cadw SAM: GM551: Deserted Rural Settlement North of Foel Fynyddau
  74. coflein NPRN: 34120. GGAT PRN: 01124w. Cadw SAM: GM423: Remains of Venallt Ironworks
  75. coflein NPRN: 34446. GGAT PRN: 02853w. Cadw SAM: GM506: Aberdulais Aqueduct
  76. coflein NPRN: 95689. GGAT PRN: 01085w. Cadw SAM: GM485: Tinplate works at Aberdulais Falls
  77. coflein NPRN: 412122. GGAT PRN: 02996.0w. Cadw SAM: GM489: Ynysmaerdy Railway Incline
  78. coflein NPRN: 34515. GGAT PRN: 01046.26w. Cadw SAM: GM400: Waun y Coed Colliery Branch Canal and Tramroad Incline
  79. coflein NPRN: 34829. GGAT PRN: 01070.14w. Cadw SAM: GM394: Tennant Canal: Skewen Cutting and tramroad bridge
  80. coflein NPRN: 401306. GGAT PRN: 05784w. Cadw SAM: GM566: Cwmafan copper works flue
  81. coflein NPRN: 85096. GGAT PRN: 00854w. Cadw SAM: GM389: Neath Abbey Ironworks
  82. coflein NPRN: 33643. GGAT PRN: 01017w. Cadw SAM: GM395: Neath Abbey Ironworks Dam
  83. coflein NPRN: 33324. GGAT PRN: 04787w. Cadw SAM: GM546: Cynon Corn-Drying Kiln
  84. coflein NPRN: 24944. GGAT PRN: 02876w. Cadw SAM: GM449: Leat & Dam at Llanmihangel Mill
  85. coflein NPRN: 34071. GGAT PRN: 01566w. Cadw SAM: GM420: Remains of Blast Furnaces at Banwen
  86. coflein NPRN: 93276. GGAT PRN: 02884w. Cadw SAM: GM458: Cwm Pelenna Colliery Ventilation Furnace
  87. coflein NPRN: 34857. GGAT PRN: 01015w. Cadw SAM: GM393: Pontrhydyfen Aqueduct / Viaduct
  88. coflein NPRN: 34099. GGAT PRN: 01086w. Cadw SAM: GM416: Remains of Blast Furnace at Melin Court
  89. Fforest Fawr Geopark: The Brecon Forest Tramroad accessed 3 March 2013
  90. coflein NPRN: 80115. GGAT PRN: 00716w. Cadw SAM: GM399: Tramroad at Ystradgynlais
  91. coflein NPRN: 34840. GGAT PRN: 02878.0w. Cadw SAM: GM447: Glyncorrwg Mineral Railway (Parsons Folly) Section on Cefn Morfudd
  92. coflein NPRN: 34491. GGAT PRN: 01046.36w. Cadw SAM: GM397: Remains of Lock and Dry Dock at Pantyffynnon
  93. coflein NPRN: 34238. GGAT PRN: 01972w. Cadw SAM: GM445: Briton Ferry Dock Entrance
  94. coflein NPRN: 275896. GGAT PRN: 04017w. Cadw SAM: GM547: Cae'r Mynydd Ventilation Furnace and Mine
  95. coflein NPRN: 34531. GGAT PRN: 01070.18w. Cadw SAM: GM505: Canal Boat at Aberdulais Basin
  96. coflein NPRN: 109. GGAT PRN: 01046.40w. Cadw SAM: GM396: Canal Aqueduct over the River Twrch, Ystalyfera
  97. coflein NPRN: 94711. GGAT PRN: 02889w. Cadw SAM: GM453: Crimea Colliery & Canal Quay
  98. coflein NPRN: 413228. GGAT PRN: 05773w. Cadw SAM: GM620: Cilybebyll Auxiliary Unit Operational Base
  99. coflein NPRN: 33523. GGAT PRN: 02186w. Cadw SAM: GM537: Pentreclwydau Colliery
  100. coflein NPRN: 308125. GGAT PRN: 02995w. Cadw SAM: GM488: Chain Home Low Radar Station, Margam