Thorner Ridge Trail

Trail in Maurice Thorner Preserve · Marin County, California

1.7 mi · Loop.

An open, mostly sun-exposed ridge route with occasional shaded patches, passing through diverse trees and wildflowers; it crosses a bridge over Nicasio Valley Road to connect toward Roy's Redwoods Preserve.

More in Maurice Thorner Preserve — campgrounds, fees, and typical weather. Get the Explore app for offline maps and live conditions. Data sources.