Join a guided 4-mile hike of the Summit Loop trail of San Bruno Mountain State & County Park! This is a beautiful and scenic trail that gradually climbs to the top of San Bruno Mountain. The hike is led by Paul Bouscal, a former board member of San Bruno Mountain Watch and certified naturalist of the UC California Naturalist Certification program. RSVP required, please sign up below.

Meet at the main entrance parking lot just past the Ranger Station. Remember to put on sunscreen, wear layers, bring water and a snack.