Irish Hills

There are two trailheads in the Irish Hills: Prefumo Canyon and Madonna Rd.

Directions to the Prefumo Canyon Trailhead

To reach the trailhead, take Los Osos Valley Road north and turn left onto Prefumo Canyon Road. Follow this road for 1 mile and the trailhead will be on the left after a bridge crossing.

Directions to the Madonna Trailhead

To reach the trailhead from Highway 101, take Los Osos Valley Road north towards Los Osos. Turn left on Madonna Road. Follow the street to the end and find parking on the street, then walk up the dirt road to the trailhead.