Best hikes in Black Diamond Mines Regional Preserve

Ambleway maps 8 hikes in Black Diamond Mines Regional Preserve, from a 2.8-mile walk to a 7.8-mile day out. All of them score as wild, staying clear of roads and development for most of the route; the wildest is Chaparral Loop Trail & Nortonville Trail via Black Diamond Trail. The biggest climb is Chaparral Loop Trail & Nortonville Trail via Black Diamond Trail, gaining 1,452 ft, and the network tops out at 1,269 ft. One trailhead is within walking range of public transit.