Black Diamond Mines Regional Preserve

Black Diamond Mines Regional Preserve is an outdoor preserve in Antioch, California, offering families access to trails and natural spaces within the East Bay Regional Park District system. The preserve features miles of trails for hiking and exploration across its acreage, allowing visitors to experience the region's landscapes and outdoor recreation opportunities.

• Central Hillside Park
• Woodland Community Recreation Center
• Sun Ray Park Playground
• Guadalupe River Park and Gardens
• Powderhorn Park North Playground
• Veterans Oasis Park Playground