AMBLEWAY Wildest hikes

Black Diamond Mines Regional Preserve

Star Mine Trail & Upper Oil Canyon Trail

10 mi · ▲ 2,171 ft · 4 hr 25 min

Star Mine Trail & Upper Oil Canyon Trail is a 10-mile out-and-back in Black Diamond Mines Regional Preserve near West Hartley, CA. It climbs 2,171 ft, with sections as steep as 20% grade, and is mostly dirt. It scores 80/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi351 – 1,227 ft · steepest grade: 20%10.2 mi

Getting there

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

AMBLEWAYwww.ambleway.com

Star Mine Trail & Upper Oil Canyon Trail

10 mi · ▲ 2,171 ft · 4 hr 25 min

Elevation 349–1,229 ft

Out & Back · Black Diamond Mines Regional Preserve

Trailhead: Star Mine Trail · 37.93808, -121.80032

Weather Aug 4: Clear, high 98°F / low 67° · precip 0% · wind 13 mph · sunrise 6:14 AM · sunset 8:14 PM

  1. Start on Star Mine Trail, heading NW.
  2. 1.5 miSharp left, heading SW.
  3. 2.2 miSharp left onto Upper Oil Canyon Trail, heading NW.
  4. 1.3 miReach Star Mine Trail, then turn around and head back the way you came.
  5. 1.3 miSharp right onto Oil Canyon Trail, heading SE.
  6. 1.5 miContinue straight onto Star Mine Trail, heading NE.
  7. 0.4 miTurn left, heading S.
  8. 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 map, photos and weather for this hike: www.ambleway.com/hikes/star-mine-trail-star-mine-trail-out-back-3-sights

Trail surface

100% dirt

Weather

ClearTemperature 98°F67°
Feels like80°Precip0%Wind13 mphUV8Humidity19%
Hourly temperature
100°65°
Sunrise 6:14 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:14 PM
Wed 99°59°
Thu 104°63°
Fri 109°67°
Sat 108°66°
Sun 104°64°
Mon 100°60°

Other ways to reach this destination

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Hikes near West Hartley, California