Angeles Chapter Sierra Club
Outdoor and environmental group based in Los Angeles Orange County, California. Provides information and local activities including interests for 20s and 30s singles.
Loma Prieta Chapter of the Sierra Club
Outdoor and environmental group. Serves San Benito, Santa Clara and San Mateo counties in California. Provides information and local activities.
Redwood Chapter of the Sierra Club
Outdoor recreation and environmental group covering northern coastal California from San Francisco to the Oregon border. Includes five regional groups: the Sonoma, Napa, Solano, Mendocino-Lake and the North Group. Provides information and local activities.
San Diego Chapter of the Sierra Club
Environmental activist and outdoor preservation group based in San Diego California. Provides information and local activities.