Black Diamonds to Mt Diablo Regional Trail
4.9 mi · ▲ 801 ft · 2 hr 2 min
Black Diamonds to Mt Diablo Regional Trail is a 4.9-mile out-and-back in City of Clayton Open Space near Clayton, CA. It climbs 801 ft, with sections as steep as 16% grade. It scores 47/100 on the Ambleway Wildness scale: green fringe.
Elevation
Getting there
Directions
Black Diamonds to Mt Diablo Regional Trail
4.9 mi · ▲ 801 ft · 2 hr 2 min
Elevation 414–1,218 ft
Out & Back · City of Clayton Open Space
Trailhead: Black Diamonds to Mt Diablo Regional Trail · 37.94054, -121.93250
Weather Sep 20: sunrise 6:55 AM · sunset 7:09 PM
Bikes allowed on the whole route · Horses allowed on the whole route · Transit-accessible: Center Street & Easley Drive stop 79 m from the trailhead · Toilets at the trailhead · Parking lot at the trailhead
- Start on Black Diamonds to Mt Diablo Regional Trail, heading NE.
- 2.5 miReach Black Diamonds to Mt Diablo Regional Trail, then turn around and head back the way you came.
- 2.5 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
Weather
Sunset
The best sunset spot on this hike is 0.6 mi in (~17 min). Leave by 6:32 PM for the 7:09 PM sunset. Back at your car by 7:38 PM, after dark — bring a headlamp.
Good to know
- Bikes allowed on the whole route
- Horses allowed on the whole route
- Transit-accessible: Center Street & Easley Drive stop 79 m from the trailhead
- Toilets at the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
More from Black Diamonds to Mt Diablo Regional Trail Trailhead
- Black Diamonds to Mt Diablo Regional Trail 5.3 mi · ▲ 802 ft
- Upper Oil Canyon Trail 15.2 mi · ▲ 2,430 ft
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Hikes near Clayton, California