California Mountaineering Club - Membership information. Schedule of upcoming events. Photos. Newsletter. Friends of Pinnacles - Access and closure information. Environmental impact analysis and tips. New route and rebolting information. News. Schedule of upcoming events. Membership information. (group advocates for access at Pinnacles National Monument, California) SoCal Climbing - Southern California email discussion group. Requires registration. Southern California Mountaineers Association - Membership information. Courses offered. Loma Prieta Peak Climbing Section - Schedule of upcoming events. About the club. Membership information. Newsletter. (Santa Clara) Sierra Club Desert Peaks Section - The Desert Peaks Section of the Angeles Chapter sponsors climbs of arid summits across the southwest. Includes history of the club, archive of past trips, newsletter subscription form, and organizational information. (Los Angeles)