The Briones Hills form a low mountain range in western Contra Costa County, in the East Bay region of the San Francisco Bay Area, California, United States.[1]

Briones Hills
Briones Reservoir in the Briones Hills
Highest point
Elevation	430 m (1,410 ft)
Geography
Location of Briones Hills in California[1]
Country	United States
State	California
District	Contra Costa County
Range coordinates	37°56′34.725″N 122°8′47.876″W
Topo map	USGS Briones Valley
Geology
Type of rock	Inner Coast Ranges, California Coast Ranges System

Geography

The hills are in the Southern Inner Coast Ranges group of the California Coast Ranges System.

Cities and towns adjacent to or in the foothills of the range include: Briones, Lafayette, Martinez, Orinda, Pleasant Hill, Alhambra Valley, and Walnut Creek.

Features

Briones Regional Park, in the East Bay Regional Park District System, provides hiking trails for access. It also protects some of the range's California oak woodland, chaparral, and riparian habitats.

Briones Reservoir, of the East Bay Municipal Utility District (EBMUD), is located in the western area. It is impounded by Briones Dam on Bear Creek.

The headwaters of Pinole Creek are in the Briones Hills, on the western slope of Costa Peak. The headwaters of Alhambra Creek are in the hills within Briones Regional Park.

The privately-owned enclave along Pinole Creek is also known simply as Briones.[2]

See also

• Mountain ranges of the San Francisco Bay Area
• Natural history of the California Coast Ranges

References

This Contra Costa County, California–related article is a stub. You can help Wikipedia by expanding it.

• v
• t
• e