Nimu Maqu River

Nimu Maqu River
220px Nimu river bridge at its confluence with the Yarlung Tsangpo River
220px Nimu Maqu River in Nyêmo County
Mouth
Basin countries	Tibet, China
Location	Nyêmo County, Lhasa Municipality
Length	83 km (52 mi)
Source elevation	7,048 m (23,123 ft)
Avg. discharge	11.9 m3/s (420 cu ft/s) at mouth
River system	Yarlung Tsangpo River

The Nimu Maqu River (Chinese: 尼木玛曲) is a left tributary of the Yarlung Tsangpo River (upper Brahmaputra) that flows south through Nyêmo County in Lhasa Municipality, Tibet, China.

Course

The Nimu Maqu is the main river of Nyêmo County and an important tributary of the Yarlung Tsangpo. The river is 83 kilometres (52 mi) long. It rises at 7,048 metres (23,123 ft) in the north of the county, and runs south through the whole length of the county. The Nimu Maqu empties into the Yarlung Tsangpo from the north at an elevation of 3,701 metres (12,142 ft). The valley is 5 kilometres (3.1 mi) wide in its widest section, which contains the county seat and is the main agricultural area in the county.

Flow

The climate is temperate semi-arid plateau monsoon, with most precipitation falling in the summer. Annual rainfall is 324.2 millimetres (12.76 in). The average flow is 11.9 cubic metres per second (420 cu ft/s) per second, with least flow 4.6 cubic metres per second (160 cu ft/s) and flood flow rates of up to 400 cubic metres per second (14,000 cu ft/s).