Arrival: Sep 20, 2021 Departure: Sep 21, 2021 1 Night, 1 Room, 2 Adults, 0 Children

Top Hotels Near Black Diamond Mines Regional Preserve, California - Blink Hotels

The Black Diamond Mines Regional Preserve is a 6,000-acre park located north of Mount Diablo in Contra Costa County, California under the administration of the East Bay Regional Park District.

The 60 miles (97 km) of trails in the Preserve cross rolling foothill terrain covered with grassland, California oak woodland, California mixed evergreen forest, and chaparral.