AMBLEWAY Wildest hikes

City of Clayton Open Space

Black Diamonds to Mt Diablo Regional Trail

6 mi · ▲ 812 ft · 2 hr 24 min

Black Diamonds to Mt Diablo Regional Trail is a 6-mile out-and-back in City of Clayton Open Space near Clayton, CA. It climbs 812 ft. It scores 38/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi413 – 1,217 ft6.1 mi

Getting there

Trailhead: Black Diamonds to Mt Diablo Regional Trail 37.93390, -121.92729
Nearest town Clayton, CA
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Directions

AMBLEWAYwww.ambleway.com

Black Diamonds to Mt Diablo Regional Trail

6 mi · ▲ 812 ft · 2 hr 24 min

Elevation 414–1,218 ft

Out & Back · City of Clayton Open Space

Trailhead: Black Diamonds to Mt Diablo Regional Trail · 37.93390, -121.92729

Weather Sep 20: sunrise 6:55 AM · sunset 7:09 PM

Transit-accessible: Marsh Creek Road & El Molino Drive stop 122 m from the trailhead

  1. Start on Black Diamonds to Mt Diablo Regional Trail, heading N.
  2. 3 miReach Black Diamonds to Mt Diablo Regional Trail, then turn around and head back the way you came.
  3. 3 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/black-diamonds-to-mt-diablo-regional-trail-black-diamonds-to-mt-diablo-regional-trail-out-back

Trail surface

44% dirt37% paved19% unspecified

Weather

Sunrise 6:55 AMSunset 7:09 PM

Sunset

The best sunset spot on this hike is 1.1 mi in (~30 min). Leave by 6:20 PM for the 7:09 PM sunset. Back at your car by 7:52 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Transit-accessible: Marsh Creek Road & El Molino Drive stop 122 m from the trailhead

Other ways to reach this destination

Hikes near Clayton, California