“Old Railroad Grade is one of the classic rides in Marin and a great way to get to the top of Mt Tam. ”
7.1
Miles11.5
KMDoubletrack
Local Club: Access4Bikes (A4B)
Land Manager: Marin Municipal Water District
8.5 mi 13.6 km • 873' Up 266.15 m Up • 866' Down 263.82 m Down
20.7 mi 33.3 km • 3,233' Up 985.27 m Up • 3,235' Down 985.89 m Down
43.0 mi 69.3 km • 3,369' Up 1026.92 m Up • 3,369' Down 1026.82 m Down
12.8 mi 20.6 km • 1,622' Up 494.47 m Up • 1,618' Down 493.26 m Down
13.4 mi 21.5 km • 1,796' Up 547.55 m Up • 1,801' Down 548.9 m Down
27.3 mi 44.0 km • 4,309' Up 1313.28 m Up • 4,307' Down 1312.85 m Down
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