Clayton · Contra Costa County · CA
Black Diamonds to Mt Diablo Regional Trail is a 3.7-mile trail near Clayton, in Contra Costa County, CA. It climbs 136 ft and descends 345 ft, between 394 ft and a high point of 612 ft. The surface is unpaved. Mapped for hiking, trail running, equestrian.
All Contra Costa County trailsContra Costa County hikingCA trails
Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.