South San Ramon Creek is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data
The National Map
accessed March 15, 2011 southward-flowing stream in

Alameda County Alameda County ( ) is a county located in the U.S. state of California. As of the 2020 census, the population was 1,682,353, making it the 7th-most populous county in the state and 21st most populous nationally. The county seat is Oakland. Alam ...

and southern Contra Costa County, in the East Bay region of northern

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

. The creek is a tributary to Arroyo de la Laguna, flowing in the western

Livermore Valley The Livermore Valley, historically known as the Valle de San José (Valley of San José), is a valley in Alameda County, California, located in the East Bay region. The city of Livermore is located in the valley. Geography The valley is bound ...

through

Dublin Dublin (; , or ) is the capital and largest city of Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2016 c ...

and Pleasanton.

Geography

South San Ramon Creek drains the land area generally lying above the

Bishop Subbasin The Bishop Subbasin is an aquifer that resides between two subsurface structures of the Tassajara Formation in the northern extremity of the Amador Valley, California. This aquifer is a sub-unit of the Livermore-Amador Groundwater Basin. The Bis ...

of the Livermore Valley Groundwater Basin. The Bishop Subbasin comprises of valley lands in the far northwestern portion of Livermore Valley Ground Water Basin. The Bishop Subbasin lies entirely within Contra Costa County, is drained by, and is a portion of that area locally designated as

San Ramon Valley The San Ramon Valley is a valley and region in Contra Costa County and Alameda County, in the East Bay region of the San Francisco Bay Area in northern California. Geography The valley is between the Oakland Hills on the west, and the Diablo Rang ...

. The subbasin is bounded on the east and west by rolling hills composed of sediments of the

Tassajara Formation The Tassajara Formation is a geologic unit within the Livermore Valley of Northern California, United States. The formation surfaces only in the northern upland parts of the Livermore Valley and underlie the central part of the valley floor at a ...

. The creek is being actively protected as of 2007, by the city of San RamonIron Horse Trail, San Ramon California
/ref> and other entities to preserve

riparian zone A riparian zone or riparian area is the interface between land and a river or stream. Riparian is also the proper nomenclature for one of the terrestrial biomes of the Earth. Plant habitats and communities along the river margins and banks a ...

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

. The public

Iron Horse Regional Trail The Iron Horse Regional Trail is a rail trail for pedestrians, horse riders and bicycles in the East Bay Area in California. This trail is located in inland central Alameda and Contra Costa counties, mostly following a Southern Pacific Ra ...

runs along a portion of South San Ramon Creek.

References

{{reflist Rivers of Alameda County, California Rivers of Contra Costa County, California Tributaries of Alameda Creek Livermore Valley Dublin, California San Ramon, California Geography of Pleasanton, California Rivers of Northern California

Geography

See also

References