Vasco Caves Regional Preserve exists because of the combined efforts of the East Bay Regional Park District and the Contra Costa Water District.
A 550-foot pier provides access to great fishing in the San Joaquin River at Antioch/Oakley Regional Shoreline, located just upstream from Highway 160's Nejedly Bridge in Antioch.
Bishop Ranch Open Space Regional Preserve offers quiet and solitude on 806 acres just a short distance from San Ramon Valley subdivisions.
Bay Point Regional Shoreline provides access to undeveloped open space and marsh habitat in an area surrounded by residential, military, and industrial development.
Big Break Regional Shoreline is a part of the great 1150-square-mile Sacramento-San Joaquin River Delta.
Carquinez Strait Regional Shoreline comprises 1,568 acres of bluffs and shoreline along Carquinez Scenic Drive between the town of Crockett and the hillsides overlooking Martinez.
Claremont Canyon Regional Preserve is nestled in the Berkeley and Oakland hills behind the historic Claremont Hotel.
Located outside of the town of Crockett, the 2,124 acres of Crockett Hills Regional Park were likely hunting and gathering grounds for Native Americans, later were nineteenth century ranch-lands, and more recently were part of the industrial history of the region.
Bring drinking water when you visit the 1,979-acre Preserve; no drinking water is available.
Located at the junction of the Sacramento and San Joaquin rivers, this 595-acre island in the Sacramento Delta north of Pittsburg is the home of six rare and endangered plant species, and a variety of aquatic birds.