North Peak at Mt. Diablo State Park, CA
Another backyard mountain worth exploring and get a great workout from some of the steepest trails in the bay area. (Image source: www.parks.ca.gov) We drove to Regency Drive entrance to start the 11-mile hike to Mt. Olympia Peak, followed by North Peak. We started the hike at 8:50AM. Address for GPS : 313 Mountaire Pkwy, Clayton, …