“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
24.8 mi 40.0 km • 4,578' Up 1395.47 m Up • 4,571' Down 1393.19 m Down
8.6 mi 13.8 km • 1,145' Up 348.94 m Up • 1,343' Down 409.2 m Down
12.8 mi 20.6 km • 1,622' Up 494.47 m Up • 1,618' Down 493.26 m Down
17.9 mi 28.9 km • 2,443' Up 744.76 m Up • 2,477' Down 755.02 m Down
10.3 mi 16.5 km • 731' Up 222.74 m Up • 731' Down 222.71 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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