Big Rock Ridge Trail (Bay Area Ridge Trail: Lucas Valley Open Space)

Trail in Lucas Valley Open Space Preserve · Marin County, California

7.2 mi · Out & back.

Climbs through grassland and woodland to the 1,800-ft summit of Big Rock Ridge, Marin County's second-highest peak, with sweeping views of surrounding mountains and valleys. South-facing and mostly uphill, so start early and watch for ticks and sun exposure.

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