Nicholas Hack on May 10, 2021
Gravel Segment
From Somersville Rd, Antioch to Black Diamond Trail, Clayton, Contra Costa County, California
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.
Distance
Elevation
7.85 miles
213 ft minimum
1,503 ft maximum
1,762 ft gain
1,509 ft loss

100% gravel

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