California State Agencies
California Coastal Conservancy
California's Critical Coastal Areas Program
California Natural Resources Agency
Federal Agencies
A Guide to California's National Forests
Interactive Map of California National Forests (fs.fed.us)
National Parks in California (U.S. National Park Service) (nps.gov)
BLMCalifornia | Bureau of Land Management (blm.gov)
Land Trusts & Conservancies
Directory of California Land Trusts
Other Organizations
Please tell us about additions; email [email protected]
American Trails
http://americantrails.org/
California Bicycle Touring Information
http://www.cabobike.org/touring/
California Coastal Records Project
http://www.californiacoastline.org/
California Coastkeeper Alliance
http://www.cacoastkeeper.org/
Coast Alliance (San Luis Obispo)
http://www.slocoastalliance.org/
Environment California
http://www.environmentcalifornia.org/
Friends of the Dunes (Arcata)
https://www.friendsofthedunes.org/
Greater Farallones Marine Sanctuary Association
http://www.farallones.org/
Heal the Bay
www.healthebay.org
Mokelumne Coast to Crest Trail
http://www.mc2ct.org/
Monterey Bay Aquarium
http://montereybayaquarium.org/
Northcoast Environmental Center
http://yournec.org/
The Ocean Conservancy
http://www.oceanconservancy.org/
San Onofre Parks Foundation
http://www.sanofoundation.org/
Santa Barbara County Trails Council
https://sbtrails.org/
Santa Monica Mountains Trail Council — Trail, hiker and equestrian resources.
http://www.smmtc.org
Save Our Shores
http://www.saveourshores.org/
Save the Bay (San Francisco)
http://www.savesfbay.org
Sierra Club California
https://www.sierraclub.org/california
Surfrider Foundation
http://www.surfrider.org/
The Trail Center (SF Bay Area)
http://www.trailcenter.org/tcinfo.htm
Ventana Wilderness Alliance
http://www.ventanawild.org/index.html
Waterkeeper Alliance (U.S.; includes Coastkeeper, Baykeeper, Riverkeeper organizations)
https://waterkeeper.org/
WILDCOAST
http://www.wildcoast.net/