Black Diamond Mines Regional Preserve

Black Diamond is located in Contra Costa County, south of Pittsburg and Antioch.There are two camping areas in Black Diamond Mines Regional Preserve. Reservations are required for both--call 1-888-EBPARKS or 1-888-327-2757.
Star Mine Group Camp Area is available all year for organized, educational groups only. It can accommodate up to 40 people. It is located in a grassland/oak woodland community at the eastern edge of the Preserve. Overnight camping is limited to two nights. Parking (maximum eight cars), picnic tables and a pit toilet are available at the site. Campers must bring in their own water and haul out their own garbage. No water is available at the site.
Stewartville Backpack Camp is for the general public. The fee is $5 per night per person. Camping is limited to two nights during the spring, summer and fall. There is room for 20 campers. Picnic tables and a pit toilet are available, as well as water for horses (the water is non-potable and must be filtered or treated for human consumption). The camp is located 3.2 miles from the Preserve headquarters, near the Stewartville and Upper Oil Canyon trails.

Try Hiking at Black Diamond Mines Regional Preserve, it's adventure blended with history. It's just 3.2 miles (9 minutes) from Stone Villa Inn, Antioch. A stay at Stone Villa Inn and adventure is a great combination.