“Thurgood Marshall Regional Park – Home of the Port Chicago 50” is now the name of the new East Bay Regional Park at the site of the former Concord Naval Weapons Station.
Vasco Caves Regional Preserve exists because of the combined efforts of the East Bay Regional Park District and the Contra Costa Water District.
With its rolling, grassy hills and secluded, shady canyons, Briones is a secret wilderness surrounded by the towns of central Contra Costa County.
Dublin Hills Regional Park spans approximately 654 acres within an undeveloped open space corridor consisting of the main ridge that connects Donlon Point on the Park's southern boundary to Wiedemann Hill located on the adjacent private property to the north, interspersed with steep-sloped canyons
East Bay residents have a volcano in their backyard at Sibley Volcanic Regional Preserve.
Within Diablo Foothills Regional Park is the Castle Rock Recreation Area which is located in a scenic canyon along Pine Creek.
Don Castro Regional Park is a 101-acre urban oasis on the boundary between Hayward and Castro Valley.
Tilden Nature Area is a 740-acre preserve located just North of Tilden Regional Park.
One of the District's three oldest parks, Tilden has been called the jewel of the system, and its recreational activities have become a happy tradition for generations of East Bay youngsters.
The Park District continually works to remove bootleg trails and restore the natural beauty of the hillside near the Mission Peak summit, where it’s been eroded over the years due to hikers leaving the designated trail.