United States
California
Marin County
Alto
Horse Hill bike trail summit along Hwy 101 ⛰️
United States
California
Marin County
Alto
Horse Hill bike trail summit along Hwy 101 ⛰️
Cycling Highlight (Segment)
Recommended by 13 cyclists
Location: Alto, Marin County, California, United States
As long as the old Alto Rail Tunnel isn't opened for biking (a debate almost as old as the 1950s closure of the old rail line), the bike trail crossing this informally-named hill along the noisy 101 Highway is probably the fastest bike route between Corte Madera and Mill Valley.
October 23, 2019
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