Big Rock Ridge Fire Road

Lucas Valley-Marinwood · Marin County · CA

2.9 miDistance
1,718 ftTotal climb
536 ftTotal descent
1,861 ftHigh point
679 ftLow point
ModerateDifficulty

Elevation profile

Big Rock Ridge Fire Road is a 2.9-mile moderate trail near Lucas Valley-Marinwood, in Marin County, CA. It climbs 1,718 ft and descends 536 ft, between 679 ft and a high point of 1,861 ft. Moderate difficulty: calculated from 15% avg grade · 5.7 mi round trip, 2,280 ft climb. Mapped for other.

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