day.hiking
Hiking Clubs & Groups by Region in California
CyberHikes - providing info about California Hiking trails
Palos Verdes Peninsula Land Conservancy - Orange County
CyberHikes - providing info about California Hiking trails.
Tahoe Rim Trail
Santa Cruz Mountains Trail Association - info on other links to northern California parks & trails
Bay Area Hiker
East Bay Barefoot Hikers
CyberHikes - providing info about California Hiking trails
San Francisco Hiking

Pacific
Crest Trail - the most famous hiking trail that runs the length of the entire West Coast
Summit Post - climbing and mountaineering, worldwide