The East Bay Regional Park District began acquiring land for Black Diamond Mines Regional Preserve in the early 1970s. Today, most of the mining district is within the Preserve's nearly 6,096 acres. The Somersville Staging Area is an ideal location for hiking, picnicking and nature study.
5175 Somersville Road
Antioch
CA
94565
5175 Somersville Road, Antioch, CA
925.947.3535
www.ebparks.org/parks/black_diamond/