Black Diamond Mines Regional Preserve

1-888-327-2757 x4506
55175 Somersville Road, Antioch CA 94509-151
Antioch, CA 94509-151

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 8,533 acres.

The area is an ideal location for hiking and picnicking. Naturalists conduct a variety of programs related to the Preserve’s natural and historic resources. For more information, call the Visitor Center at (510) 544-2750.

There are two camping areas in Black Diamond Mines Regional Preserve.
Star Mine is a primitive group campsite available all year for organized, educational groups only. The site accommodates a minimum of 17, and maximum of 35 people, and overnight camping is limited to two nights. Included are 7 parking passes, which will be emailed 5-10 days prior to reservation. Picnic tables and a pit toilet are available at the site.
Stewartville Backpack Camp is a backpacking site, and open to the general public for reservations. The site accommodates up to 20 people, and overnight camping is limited to two nights during the spring, summer and fall. Parking passes are included. Picnic tables and a pit toilet are available at the site. You must bring water with you since the water at the site is suitable for horses but not potable.
NO FIRES (campfires, BBQ's) permitted at this location. NO alcohol. NO water.

Camp site features

Across 2 camp sites:

  • Picnic table: all 2 sites
  • Pets allowed: 1 of 2 sites
  • Group sites: 1 of 2 sites
  • Largest party: 35 people

Fees

Non-Peak Primitive Site $10.00 Non-Peak Standard Full Hookup $22.00 Non-Peak Standard with Electric Hookup $19.00 Non-Peak Standard with Water and Electric Hookups $21.00 Peak Primitive Site $10-$12 Peak Standard Full Hookup $22.00-$24.00 Peak Standard with Electric Hookup $19.00-$21.00 Peak Standard with Water and Electric Hookups $21.00-$23.00

Rules

REVIEW YOUR RESERVATION CONFIRMATION CAREFULLY. The reservation holder is responsible for ensuring the reserved site or facility accommodates their needs and that all members of their party know and comply with applicable Park District rules and regulations, including Ordinance 38, and all reservation conditions. Reservation information must be accurate. Reservations made using false or misleading information, including attempts to circumvent reservation limits, are subject to cancellation. ARRIVAL AND ACCESS: Check-in times are between 2 PM and sunset, and campers should plan to be in their site during park curfew hours. Cell service is limited or unavailable, and Wi-Fi is not provided. RESERVATION LIMITS: For the same or overlapping dates, a party, group, household, customer, primary occupant, or registered vehicle(s) may reserve one (1) group campsite, OR one (1) backpacking site, but not both. Reservations exceeding these limits are subject to cancellation. STAY LIMITS: For Black Diamond Mines Regional Preserver there is a two (2) night stay limit for either the group campsite or the backpacking site. OCCUPANCY The Star Mine group campsite has an occupancy of no less than seventeen (17) people, and no more than thirty-five (35) people. Stewartville backpacking campsite has a maximum occupancy of no more than twenty (20) people. VEHICLES AND PARKING: The group and backpacking campsite vary in maximum allowed overnight vehicle parking. Check site details and/or your information letter for specifics. No overflow parking is available. RVs and trailers are not permitted at this park. MINORS: Guests under the age of 18 must be accompanied by a parent, legal guardian, or responsible adult aged 21 or older. Large groups must have at least one adult for every 10 minors. DOGS: Maximum three (3) dogs per campsite. Dogs must be leashed, attended, and controlled at all times. During quiet hours, dogs must be confined to a vehicle or tent. Owners must clean up and properly dispose of pet waste. TENTS: Site sizes vary. There is no limit on tents, though they must be placed on dirt or designated tent pads, if available. Avoid placing tents on any irrigated turf. SHADE CONDITIONS: Shade availability varies by campsite and is subject to change without notice due to seasonal conditions, vegetation management, tree removal, or other factors. Leave no trace: Haul out all your garbage and equipment. CAMPFIRES: No campfires or BBQ's are permitted at any time. Camp stoves are acceptable. QUIET HOURS: Quiet hours are from 10 PM to 7 AM. Please keep noise to a minimum and avoid disturbing other campers. PROHIBITED: Prohibited activities and items include, but are not limited to, weapons, smoking, vaping, gas generators, alcohol (including beer and wine), and amplified sound. QUESTIONS: Visit www.ebparks.org or contact EBRPD Reservations at 1-888-327-2757, option 2. Canadian residents: 510-544-2707. Hours: Monday-Friday, 9 AM - 4 PM Pacific Time, excluding holidays.

Directions

Address: 5175 Somersville Rd. Antioch, CA 94509. Take Highway 4 to the Somersville Road exit in Antioch, then drive south (toward the hills) on Somersville Road to the Preserve entrance. Parking for the Stewartville backpack site is at this location. For the Star Mine Group Camp, use 1200 Frederickson Lane, Antioch, CA 94509 for Contra Loma. Park in the gravel near the gate before the main entrance to that park.

Stay Limit

Check in from 2 PM, check out by 12 PM.

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