Below is an alphabetized list of partners that offer the California Naturalist certification course by regions of California.
San Francisco & Monterey Bay Areas
- Alameda Creek Alliance
- All Hands Ecology
- Conservation Society of California - Oakland Zoo
- Grassroots Ecology
- Hayward Area Recreation and Park District
- Las Positas College
- Midpeninsula Regional Open Space District
- Museum of the American Indian
- Pacific Grove Museum of Natural History
- Point Reyes National Seashore Association
- Richardson Bay Audubon Center & Sanctuary
- Rotary Nature Center Friends
- San Jose Conservation Corps & Charter School
- Sutro Stewards
- UC Santa Cruz Arboretum
- West Valley College
Sierra & Central California
- American River College
- Calaveras Big Trees Association
- Columbia College
- Cosumnes River Preserve
- Effie Yeaw Nature Center
- Four Rivers Natural History Association
- Pepperwood Preserve
- Sierra Forever
- Solano Community College
- Sonoma County Regional Parks
- Sonoma Ecology Center
- Stewards of the Coast & Redwoods
- Tuleyome
- UC Davis: Wild Davis
- UC Merced Vernal Pools & Grassland Reserve
- UC Merced Yosemite Field Station
- Yosemite Conservancy (coming soon)
Northern California
- American River Conservancy
- Center for Ecodynamic Restoration
- Chico Creek Nature Center
- College of the Redwoods
- Feather River Land Trust (coming soon)
- Friends of the Dunes
- Lake Tahoe Community College
- Sierra Streams Institute
- Tahoe Institute for Natural Sciences at Sagehen Creek Field Station
- UC Hopland Research & Extension Center
- Western Shasta Resource Conservation District (coming soon)
Southern California
- Anza-Borrego Foundation
- Audubon Center at Debs Park
- Bolsa Chica Conservancy
- CactusToCloud Institute
- Catalina Island Conservancy
- Community Nature Connection
- Conservation Corps of Long Beach
- Council of Mexican Federations in North America (COFEM)
- Cuesta College
- Dominguez Rancho Adobe Museum
- El Modena High School
- Grossmont College
- Los Angeles County Arboretum
- National Forest Foundation Junior Field Rangers
- Nature For All
- Nature Up Close
- Norco College
- Pacoima Beautiful
- Palomar College
- Pasadena City College
- Preserve Calavera
- Riverside-Corona Resource Conservation District
- Santa Monica Mountains Fund
- Southern California Mountains Foundation
- Teranga Ranch Wildlife
- Transition Habitat Conservancy
- UC Riverside Palm Desert Center
- USC Sea Grant
Statewide
- California Conservation Corps (coming soon)