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.
- Lougher Loop Trail 2.8 mi · ▲ 375 ft
- Carbondale Trail & Lark Trail via River View Trail 3 mi · ▲ 771 ft
- Oil Canyon Trail & Star Mine Trail via Lower Oil Canyon Trail 3.5 mi · ▲ 496 ft
- Chaparral Loop Trail & Nortonville Trail via Black Diamond Trail 4.6 mi · ▲ 1,452 ft
- Acorn Trail–Contra Loma Trail Loop, 6 sights 4.6 mi · ▲ 890 ft
- Oil Canyon Trail–Star Mine Trail, 3 sights 5.3 mi · ▲ 955 ft
- Oil Canyon Trail & Star Mine Trail 7.4 mi · ▲ 1,410 ft
- Contra Loma Reservoir–Acorn Trail, 5 sights 7.8 mi · ▲ 1,354 ft