From Somersville Rd, Antioch to Black Diamond Trail, Clayton, Contra Costa County, California
7.85 mi
Length
1,762 ft
Elev gain
1,509 ft
Elev loss
1,503 ft
Max elevation
gravel 100%

Elevation Click the profile for Street View

Fun way to cut across the hills on gravel. Starts out road into Black Diamond Regional, then turns into gravel. Some steep bits, but doable on 32s.
0 votes