Big Sulphur Creek

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Big Sulphur Creek
Country United States
State California
Region Sonoma County
 - left Truitt Creek, Little Sulphur Creek
 - right Hot Springs Creek, Cobb Creek, Squaw Creek, Frasier Creek
Source Pine Mountain
 - location 12 mi (19 km) northeast of Healdsburg, California
 - coordinates Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found. [1]
Mouth Russian River
 - location north of Cloverdale, California
 - elevation 299 ft (91 m) [1]
 - coordinates Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found. [1]
Length 20 mi (32 km) [1]
Basin 60 sq mi (155 km2) [2]

Big Sulphur Creek is a westward-flowing stream in northern Sonoma County, California, U.S.A. which springs from The Geysers in the Mayacamas Mountains and runs 20 miles (32 km) to empty into the Russian River.


The creek originates on Pine Mountain in the Geysers area, near the Lake County line. It descends to the west, passing north of Sheepskin Rock. North of Mercuryville, it meets Geysers Road, which it parallels the rest of the way to the City of Cloverdale. After Hot Springs Creek and Cobb Creek enter from the right, Big Sulphur Creek passes Geysers Resort and Eagle Rock. Then Truitt Creek enters from the left, Squaw Creek and Frasier Creek enter from the right, and Little Sulphur Creek enters from the left. Big Sulphur Creek emerges into the northern end of Alexander Valley and empties into the Russian River 2 miles (3 km) north of Cloverdale.


The creek's drainage basin covers about 60 square miles (160 km2)[2] in the Mayacamas Mountains in northern Sonoma County.

Habitat and pollution

When surveyed in 1973, Big Sulphur Creek supported snakes, salamanders, frogs, many kinds of fish (both steelhead and rainbow trout, Sacramento squawfish, suckers and roach), flies (trichoptera, diptera, hemiptera, plecoptera and odonata), and aquatic plants (sedges, cattails, and algae).[2]

As of 2000, the creek and two of its tributaries (Little Sulphur Creek and Squaw Creek) still supported steelhead trout.[3]


Big Sulphur Creek is spanned by two bridges:[4]

  • River Road crosses northeast of Cloverdale, California on a 212-foot (65 m) prestressed concrete span built in 1988.
  • Geysers Road crosses 18.6 miles (30 km) north of State Route 128 on a 148-foot (45 m) steel truss built in 1909 and reconstructed in 1970.

See also


  1. 1.0 1.1 1.2 1.3 U.S. Geological Survey Geographic Names Information System: Big Sulphur Creek
  2. 2.0 2.1 2.2 "1973 stream survey" (PDF). Retrieved 2008-03-31.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. Cox, Bill (2000). "Major Streams in Sonoma County" (PDF). Retrieved 2007-12-04.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  4. "National Bridge Inventory Database".<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>