Black Diamond Mines Regional Preserve
Historic coal and sand mining preserve featuring hiking trails, educational programs, and breathtaking views of the East Bay
About Black Diamond Mines Regional Preserve
Black Diamond Mines Regional Preserve is a 6,000-acre park that preserves the rich mining history of the East Bay. From the 1860s to the early 1900s, this area was home to California's largest coal mining operation, employing hundreds of workers and supporting entire communities.
Historical Significance
The preserve contains remnants of five historic mining towns: Nortonville, Somersville, Stewartville, West Hartley, and Judsonville. Visitors can explore the Hazel-Atlas Mine, Rose Hill Cemetery, and various mining artifacts that tell the story of California's industrial heritage.
Activities & Attractions
Over 60 miles of trails ranging from easy walks to challenging hikes with panoramic views.
Guided tours of the Hazel-Atlas Mine provide insight into 19th-century mining operations.
School groups and organizations can book special educational tours and programs.
Visit Rose Hill Cemetery, mining ruins, and interpretive displays throughout the preserve.
Group Events & Porta Potty Services
Planning a group hike, educational tour, or special event at Black Diamond Mines? Our professional porta potty rental services ensure your group has clean, convenient restroom facilities throughout your visit. We provide:
- Standard and deluxe portable restrooms
- Hand washing stations for outdoor events
- ADA-compliant units for accessibility
- Timely delivery and pickup service
- Professional maintenance and cleaning
Location
5175 Somersville Rd, Antioch, CA 94509
Hours
8:00 AM - Sunset Daily
Park Info
(925) 757-2620
Planning a group event or educational tour? We provide clean, reliable porta potty rentals for all occasions.