Over the last four decades, a diverse community of partners has helped protect and initiate the long term stewardship of the wildlands and parks on The Irvine Ranch. The Irvine Ranch Conservancy works with many of these agencies and groups in projects ranging from public access programs to scientific research to trail building and management. To learn more about these important organizations, visit their websites by clicking on the links below.
Audubon California
California Coastal Commission
California Coastal Conservancy
California Department of Fish and Game
California Department of Transportation
California Resources Agency
California State Parks
California State University, Fullerton
City of Anaheim
City of Irvine
City of Irvine's Open Space Preserve
City of Laguna Beach
City of Newport Beach
City of Orange
City of Tustin
County of Orange
Crystal Cove Conservancy
Endangered Habitats League
Equestrian Coalition of Orange County
Friends of Harbors, Beaches & Parks
Friends of the Newport Coast
Friends of the Tecate Cypress
Hills For Everyone
Irvine Ranch Water District
Juaneno Band of Mission Indians
Laguna Canyon Conservancy
Laguna Canyon Foundation
Laguna Greenbelt, Inc.
Metropolitan Water District
Municipal Water District of Orange County
OC Parks
Orange County Business Council
Orange County Coastkeeper
Orange County Farm Bureau
Orange County Fire Authority
Orange County Flood Control District
Orange County Transportation Authority
Orange County Water District
Planning and Conservation League
San Joaquin Marsh Wildlife Sanctuary
Santa Ana Regional Water Quality Control Board
Santa Ana Watershed Planning Agency
Santiago County Water District
Sea and Sage Audubon
Silverado Modjeska Parks & Recreation District
Southern California Edison
Southern California Gas Company
State Water Resources Control Board
The Irvine Company
The Nature Conservancy
The Nature Reserve of Orange County
Trails 4-All
Transportation Corridor Agencies
Trust for Public Land
U.S. Army Corps of Engineers
U.S. Department of the Interior
U.S. Environmental Protection Agency
U.S. Fish & Wildlife Service
U.S. Soil Conservation Service
University of California Agriculture and Natural Resources Cooperative Extension
University of California Natural Reserve System
University of California, Irvine