Click on the trail name to see information about trail, distance and difficulty rating or download the trail map.
TRAIL GUIDE BOOK
The official guide book to the Bay Area Ridge Trail is packed full of useful information for planning hiking, backpacking, mountain biking, and horseback riding trips including maps, detailed trail descriptions, curated trips and more.
Buy the book
MOBILE TRAIL APP old
Your guide to hundreds of miles of spectacular trail for hiking, running, biking, and horseback riding. OuterSpatial makes getting outside easy by putting information about amazing destinations—including descriptions, directions, photos, and official trail guides—right at your fingertips.
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DONATE TO SUPPORT THE TRAIL
We're a membership organization built of trail
lovers like you. Become an important part of the Ridge Trail community.