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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 Sonoma County, California, United States, a tributary of Santa Rosa Creek.


Course

Matanzas Creek springs from the northern slope of
Sonoma Mountain Sonoma Mountain is a prominent landform within the Sonoma Mountains of southern Sonoma County, California. At an elevation of , Sonoma Mountain offers expansive views of the Pacific Ocean to the west and the Sonoma Valley to the east. In fact ...
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 Santa Rosa is the Italian, Portuguese and Spanish name for Saint Rose. Santa Rosa may also refer to: Places Argentina *Santa Rosa, Mendoza, a city * Santa Rosa, Tinogasta, Catamarca * Santa Rosa, Valle Viejo, Catamarca * Santa Rosa, La Pampa * S ...
. 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 or set of springs which produces sufficient water to consistently feed a unique river. The water flowing in a spring creek may additionally b ...
. From there, the creek continues westward to a confluence with Santa Rosa Creek just north of the
Luther Burbank Home and Gardens Luther Burbank Home and Gardens is a city park containing the former home, greenhouse, gardens, and grave of noted American horticulturist Luther Burbank (1849-1926). It is located at the intersection of Santa Rosa Avenue and Sonoma Avenue in Sa ...
. The waters of Matanzas Creek reach the
Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the contin ...
south of
Jenner, California Jenner, also known as Jenner-by-the-Sea, is a small coastal town and census-designated place (CDP) in Sonoma County, California, U.S. with a population of about 122 per the 2020 census. It is located on the Pacific coast near the mouth of the R ...
, by way of Santa Rosa Creek, the
Laguna de Santa Rosa The Laguna de Santa Rosa is a wetland complex that drains a watershed encompassing most of the Santa Rosa Plain in Sonoma County, California, United States. The California Office of Environmental Health Hazard Assessment has issued a safe e ...
,
Mark West Creek Mark West Creek is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed March 9, 2011 stream that rises in the Mayacamas Mountains of Sonoma County, California, United States. Tributaries ...
, 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 minimize
urban flooding Urban flooding is the inundation of land or property in a built environment, particularly in more densely populated areas, caused by rainfall overwhelming the capacity of drainage systems, such as storm sewers. Although sometimes triggered by event ...
where it flows through Quaternary 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 designed to allow maximum development of the city; however, this structure has impeded the
spawning Spawn is the eggs and sperm released or deposited into water by aquatic animals. As a verb, ''to spawn'' refers to the process of releasing the eggs and sperm, and the act of both sexes is called spawning. Most aquatic animals, except for aquat ...
of anadromous 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 A fish ladder, also known as a fishway, fish pass, fish steps, or fish cannon is a structure on or around artificial and natural barriers (such as dams, locks and waterfalls) to facilitate diadromous fishes' natural migration as well as move ...
, while allowing pools to form, thus preventing low flow uniformly shallow depths.U.S. Army Corps of Engineers Santa Rosa Creek Restoration Proposal
/ref>


See also

*
Brush Creek A brush is a common tool with bristles, wire or other filaments. It generally consists of a handle or block to which filaments are affixed in either a parallel or perpendicular orientation, depending on the way the brush is to be gripped durin ...
*
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 ...
*
Pomo people The Pomo are an Indigenous people of California. Historical Pomo territory in Northern California was large, bordered by the Pacific Coast to the west, extending inland to Clear Lake, and mainly between Cleone and Duncans Point. One small gr ...
* Spawn (biology)


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