Thorner Ridge Trail is a hiking trail in Marin County, California. It is within Maurice Thorner Memorial Open Space Preserve and Roy's Redwoods Open Space Preserve. It is 0.8 miles long and begins at 371 feet altitude. Traveling the entire trail is 1.6 miles with a total elevation gain of 428 feet. Near the trailhead there is parking.
Thorner Ridge Trail Professional Review and Guide
"The first hike loops around the golf course, then up Thorner Ridge. The second hike climbs to a forested ridge, then returns. Good local views. Quite muddy in winter."
--Don & Kay Martin, Hiking Marin: 141 Great Hikes in Marin County (Marin Press LLC).
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