Alpine Road narrows after Portola Valley Rd then enters the beautiful Corte Madera Open Space Preserve. After a relatively flat initial 1.3 miles, the grade steadily increases for another 1.6 miles. As you turn left and pass the intersection with Joaquin Road, deep in the Los Trancos Woods, the ride is brutally steep (max 19%) but not for too long. After joining the Old Spanish Trail and then Vista Verde Road the ride gets again steep and finally finishes at a dead end where you say "Never again...".
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