- 10 - 42 miles
- Aerobic Difficulty:
- Time To Allow:
- 2 - 4 hours
- Year Round
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We also have the following visitor guides in California. Click on any additional guides you would like to receive.
Carlsbad Southern California
Temecula Valley Southern California Wine Country
Lake Havasu City Western Arizona
Lake Havasu City
Newport Beach Southern California
Sonoma County Wine Country
Visalia Sequoia and King's Canyon National Parks
Costa Mesa Southern California
Carmel-By-The-Sea Monterey Peninsula
Yosemite/Mariposa County Yosemite National Park Area
Oceanside Southern California
Visit Buena Park Southern California
Visit Buena Park
Santa Rosa Sonoma County
Catalina Island Southern California
Vallejo Bay Area
We also have visitor guides available in states highlighted in blue below. Click on any state to see what's available.
- New Mexico
Black Diamond Mines Regional Park features miles of dirt roadways and clay surfaced singletrack trails. Located near Antioch, Black Diamond Mines Regional Park encompasses over 3800 acres of land with loops of a variety of difficulty levels.
Black Diamond Mines Regional Park was once the site of intensive coal and sand mining. Now controlled by the East Bay Regional District, the old roadways and trails of Black Diamond Mines Regional Park are protected and used only for recreation. These trails and dirt roadways traverse through a mix of evergreen forest, grasslands, eucalyptus forest, and almond and olive tree stands.
Riders visiting Black Diamond Mines Regional Park will find a map of the area handy for navigation.
Variety of loops in area
Time To Allow:
Time depends on route taken
Black Diamond Mines Regional Park is multi-use and riders should understand and practice appropriate right of way protocol. Riders should carry a first aid kit, bike repair kit and extra water and food.