Black Diamond Mines Regional Preserve

Oil Canyon Trail & Star Mine Trail

7.4 mi · ▲ 1,410 ft · 3 hr 10 min

Oil Canyon Trail & Star Mine Trail is a 7.4-mile out-and-back in Black Diamond Mines Regional Preserve near West Hartley, CA. It climbs 1,410 ft, with sections as steep as 20% grade, and is mostly dirt. It scores 78/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi351 – 984 ft · steepest grade: 20%7.4 mi

Getting there

Trailhead: Star Mine Trail 37.93808, -121.80032
Nearest town West Hartley, CA

Directions

AMBLEWAYwww.ambleway.com

Oil Canyon Trail & Star Mine Trail

7.4 mi · ▲ 1,410 ft · 3 hr 10 min

Elevation 349–983 ft

Out & Back · Black Diamond Mines Regional Preserve

Trailhead: Star Mine Trail · 37.93808, -121.80032

Weather Sep 20: sunrise 6:54 AM · sunset 7:09 PM

  1. Start on Star Mine Trail, heading NW.
  2. 1.5 miSharp left, heading SW.
  3. 2.2 miReach Star Mine Trail, then turn around and head back the way you came.
  4. 1.9 miTurn left, heading E.
  5. 1.8 miArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail surface

100% dirt

Weather

Sunrise 6:54 AMSunset 7:09 PM

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