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Matanzas Creek is an U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data
The National Map
, accessed March 9, 2011 year-round stream in
Matanzas Creek springs from the northern slope of Sonoma Mountain and flows northward into Bennett Valley to join the South Fork Matanzas Creek. The stream runs the length of Bennett Valley between Taylor Mountain and Bennett Mountain, flowing under Grange Road near Bennet Valley Road, through Matanzas Creek Reservoir and Bennett Valley Golf Course to the city of Santa Rosa. In Santa Rosa, the creek parallels Creekside Road, Cypress Road, and Hoen Avenue westward to Doyle Community Park, where it is joined by
U.S. Army Corps of Engineers Santa Rosa Creek Restoration Proposal
/ref>
Stream gage for Mantanzas Creek
{{Russian River Rivers of Sonoma County, California Geography of Santa Rosa, California Sonoma Mountains Tributaries of the Russian River (California) Rivers of Northern California
The National Map
, accessed March 9, 2011 year-round stream in
Sonoma County, California
Sonoma County ( ) is a county located in the U.S. state of California. As of the 2020 United States census, its population was 488,863. Its seat of government and largest city is Santa Rosa.
Sonoma County comprises the Santa Rosa-Petaluma ...
, United States, a tributary of Santa Rosa Creek.
Course
Matanzas Creek springs from the northern slope of Sonoma Mountain and flows northward into Bennett Valley to join the South Fork Matanzas Creek. The stream runs the length of Bennett Valley between Taylor Mountain and Bennett Mountain, flowing under Grange Road near Bennet Valley Road, through Matanzas Creek Reservoir and Bennett Valley Golf Course to the city of Santa Rosa. In Santa Rosa, the creek parallels Creekside Road, Cypress Road, and Hoen Avenue westward to Doyle Community Park, where it is joined by Spring Creek
A spring creek is a type of free flowing river whose name derives from its origin: an underground Spring (hydrology), spring or set of springs which produces sufficient water to consistently feed a unique river. The water flowing in a spring cree ...
. From there, the creek continues westward to a confluence with Santa Rosa Creek just north of the Luther Burbank Home and Gardens.
The waters of Matanzas Creek reach the Pacific Ocean
The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...
south of Jenner, California, by way of Santa Rosa Creek, the Laguna de Santa Rosa, Mark West Creek, and the Russian River.
Ecology
The upper reaches of Matanzas Creek have gradients of five to fifteen percent as the stream cascades down Sonoma Mountain. Matanzas Creek channel has been deepened 4 to 5 meters to minimizeurban flooding
Urban flooding is the inundation of land or property in cities or other built environment, caused by rainfall or coastal storm surges overwhelming the capacity of drainage systems, such as storm sewers. Urban flooding can occur regardless of whethe ...
where it flows through Quaternary
The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS), as well as the current and most recent of the twelve periods of the ...
alluvium of the Santa Rosa Plain for approximately 1 mile (2 kilometers) prior to confluence with Santa Rosa Creek.
In downtown Santa Rosa, the creek passes through a culvert
A culvert is a structure that channels water past an obstacle or to a subterranean waterway. Typically embedded so as to be surrounded by soil, a culvert may be made from a pipe (fluid conveyance), pipe, reinforced concrete or other materia ...
designed to allow maximum development of the city; however, this structure has impeded the spawning
Spawn is the Egg cell, eggs and Spermatozoa, sperm released or deposited into water by aquatic animals. As a verb, ''to spawn'' refers to the process of freely releasing eggs and sperm into a body of water (fresh or marine); the physical act is ...
of anadromous
Fish migration is mass relocation by fish from one area or body of water to another. Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres to thousa ...
fish in the upper Matanzas Creek. A proposal was developed for retrofitting the structure with inflatable bladders that will allow fish to scale the fish ladder, while allowing pools to form, thus preventing low flow uniformly shallow depths./ref>
See also
* Brush Creek *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 th ...
*Pomo people
The Pomo are a Indigenous peoples of California, Native American people of California. Historical Pomo territory in Northern California was large, bordered by the West Coast of the United States, Pacific Coast to the west, extending inland to ...
*Spawn (biology)
Spawn is the eggs and sperm released or deposited into water by aquatic animals. As a verb, ''to spawn'' refers to the process of freely releasing eggs and sperm into a body of water (fresh or marine); the physical act is known as spawning. The ...
References
External links
Stream gage for Mantanzas Creek
{{Russian River Rivers of Sonoma County, California Geography of Santa Rosa, California Sonoma Mountains Tributaries of the Russian River (California) Rivers of Northern California