Charquin Trail is a hiking, biking, and horse trail in San Mateo County, California. It is within Russian Ridge Open Space Preserve. It is two miles long and begins at 2,333 feet altitude. Traveling the entire trail is 4.0 miles with a total elevation gain of 1,477 feet. The Trail Guide information guidepost is near the trailhead. There are also parking and a viewpoint.
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