Bay Area Ridge Trail is a hiking trail in Contra Costa County, California. It is within Huckleberry Botanic Regional Preserve, Redwood Regional Park, Tilden Regional Park, and Sibley Volcanic Regional Preserve. It is 5.3 miles long and begins at 1,654 feet altitude. Traveling the entire trail is 7.4 miles with a total elevation gain of 2,085 feet. The Redwood Valley Railway drinking water is near the trailhead. There is also a picnic site. Along the trail there is drinking water.
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