“An aptly-named rocky gravel road across a ridge and down to Bon Tempe Dam. ”
1.8
Miles3.0
KMDoubletrack
Local Club: Marin County Bicycle Coalition
Land Manager: Marin Municipal Water District
24.8 mi 40.0 km • 4,578' Up 1395.47 m Up • 4,571' Down 1393.19 m Down
14.3 mi 23.1 km • 1,445' Up 440.44 m Up • 1,444' Down 440.05 m Down
15.6 mi 25.0 km • 1,521' Up 463.51 m Up • 1,519' Down 463.08 m Down
12.8 mi 20.6 km • 1,622' Up 494.47 m Up • 1,618' Down 493.26 m Down
10.8 mi 17.4 km • 1,407' Up 428.84 m Up • 1,406' Down 428.65 m Down
17.9 mi 28.9 km • 2,443' Up 744.76 m Up • 2,477' Down 755.02 m Down
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