Big Rock Trail

Lucas Valley-Marinwood · Marin County · CA

2.5 miDistance
1,757 ftTotal climb
860 ftTotal descent
1,546 ftHigh point
632 ftLow point
HardDifficulty
groundSurface

Elevation profile

Big Rock Trail is a 2.5-mile hard trail near Lucas Valley-Marinwood, in Marin County, CA. It climbs 1,757 ft and descends 860 ft, between 632 ft and a high point of 1,546 ft. Hard difficulty: calculated from 20% avg grade · 5.1 mi round trip, 2,669 ft climb. The surface is ground. Mapped for hiking, trail running, mountain biking.

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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.