Snaking between San Rafael and Novato is Big Rock Ridge. The summit, at 1,895 feet, is the second-highest point in Marin County, behind Mount Tamalpais. The ridge offers spectacular 360-degree views of the Bay Area and beyond.
Level: 3.5 Challenging - Miles: 7 - Elevation gain: 1,895'
Directions: Highway 101 north to the Lucas Valley/Smith Ranch Road exit and head west on Lucas Valley Road. After about 5.5 miles, as the hill crests, you will see a big rock on your right. This is the trailhead. Parking is on the left. Limited parking - carpooling is suggested.
Drive Time: 1 hour 30 min – Parking: Free – Dogs Allowed