Big Sulphur Creek is a westward-flowing
stream in northern
Sonoma County, California, United States, which springs from
The Geysers
The Geysers is the world's largest geothermal field, containing a complex of 18 geothermal power plants, drawing steam from more than 350 wells, located in the Mayacamas Mountains approximately north of San Francisco, California.
Geysers produce ...
in the
Mayacamas Mountains
The Mayacamas Mountains are located in northwestern California in the United States. The mountain range is part of the Northern Inner Coast Ranges, of the California Coast Ranges System.
Geography
The Mayacamas Mountains are located south of the ...
and runs to empty into the
Russian River.
Course
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 north of Cloverdale.
Watershed
The creek's drainage basin covers about
[ in the Mayacamas Mountains in northern Sonoma County.
]
Habitat and pollution
When surveyed in 1973, Big Sulphur Creek supported snake
Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes . Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more j ...
s, salamander
Salamanders are a group of amphibians typically characterized by their lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults. All t ...
s, frog
A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-frog" ''Triadobatrachus'' is ...
s, many kinds of fish (both steelhead
Steelhead, or occasionally steelhead trout, is the common name of the anadromous form of the coastal rainbow trout or redband trout (O. m. gairdneri). Steelhead are native to cold-water tributaries of the Pacific basin in Northeast Asia and ...
and rainbow trout, Sacramento pikeminnow, suckers and roach), flies (trichoptera
The caddisflies, or order Trichoptera, are a group of insects with aquatic larvae and terrestrial adults. There are approximately 14,500 described species, most of which can be divided into the suborders Integripalpia and Annulipalpia on the b ...
, diptera, hemiptera, plecoptera and odonata
Odonata is an order of flying insects that includes the dragonflies and damselflies. Members of the group first appeared during the Triassic, though members of their total group, Odonatoptera, first appeared in Late Carboniferous.
The two com ...
), and aquatic plants (sedges
The Cyperaceae are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large, with some 5,500 known species described in about 90 genera, the largest being the "true sedges" genus ''Carex'' wit ...
, cattails
''Typha'' is a genus of about 30 species of monocotyledonous flowering plants in the family Typhaceae. These plants have a variety of common names, in British English as bulrush or reedmace, in American English as reed, cattail, or punks, in ...
, and algae).[
As of 2000, the creek and two of its tributaries (Little Sulphur Creek and Squaw Creek) still supported ]steelhead trout
Steelhead, or occasionally steelhead trout, is the common name of the anadromous form of the coastal rainbow trout or redband trout (O. m. gairdneri). Steelhead are native to cold-water tributaries of the Pacific basin in Northeast Asia and ...
.
Bridges
Big Sulphur Creek is spanned by two bridges:Cloverdale, California
Cloverdale is a city in Sonoma County, California, United States; it is both the westernmost and the northernmost city in the San Francisco Bay Area. The San Francisco and North Pacific Railroad reached Cloverdale in 1872. The Cloverdale Ranch ...
on a prestressed concrete span built in 1988.
* Geysers Road crosses north of State Route 128 on a steel truss built in 1909 and reconstructed in 1970.
See also
*List of watercourses in the San Francisco Bay Area
These watercourses (rivers, creeks, sloughs, etc.) in the San Francisco Bay Area are grouped according to the bodies of water they flow into. Tributaries are listed under the watercourses they feed, sorted by the elevation of the confluence so tha ...
References
{{Russian River
Rivers of Sonoma County, California
Mayacamas Mountains
Tributaries of the Russian River (California)
Rivers of Northern California