Black Diamond Mines Regional Preserve is a large-sized park where hiking trails go through a variety of terrain. Some trails are rocky, some are single-track trails going into wooded canyons and some are wide fire roads meandering across hills.

Best Months to Visit: It is best to visit in cool weather. Avoid rainy season as trails get muddy. In spring (March - April time frame), spring wildflowers abound.

Biking: Bike Trails at MTBR.