National Natural Landmarks by state


Cosumnes River Riparian Woodlands
Cosumnes River Riparian Woodlands, a National Natural Landmark in California.

There are 36 National Natural Landmark sites located within the state of California. Natural features represented include major faults, the largest desert state park in the nation, and one of the largest and most diverse assemblages of extinct Ice Age plants and animals in the world. The first 34 sites received NNL designation over a two decade span from 1964 to 1987. Two decades later Irvine Ranch was designated in 2006 and the most recent addition to the Natural Landmarks Registry is Lake Shasta Caverns, receiving NNL status in 2012. Sites range in size from 2 acres to nearly 600,000 acres and are owned by a variety of landowners including U.S. Forest Service, U.S. Fish and Wildlife Service, Bureau of Land Management, National Park Service, U.S. Army Corps of Engineers, California State Parks, The Nature Conservancy, municipalities, and private individuals.

Below is a map of sites in California.

National Natural Landmark sites are located in the following counties: Amador, Contra Costa, El Dorado, Imperial, Inyo, Kern, Los Angeles, Marin, Mendocino, Mono, Monterey, Orange, Riverside, Sacramento, San Benito, San Bernardino, San Diego, San Luis Obispo, San Mateo, Santa Barbara, Shasta, Siskiyou, Solano, and Tulare.

← Back to listing of all states and territories.

California state map Mount Shasta Burney Falls Emerald Bay Elder Creek Pygmy Forest Audubon Canyon Ranch Ano Nuevo Point and Island Point Lobos State Reserve San Andreas Fault Pixley Vernal Pools Sharktooth Hill Eureka Dunes Black Chasm Cave Dixon Vernal Pools Mt. Diable State Park Trona Pinnacles Sand Ridge Wildflower Preserve Nipomo Dunes-Point Sal Coastal Area Rancho La Brea Irvine Ranch Torrey Pines State Reserve Imperial Sand Hills Amboy Crater Rainbow Basin Tijuana River Estuary Mitchell Caverns and Winding Stair Cave American River Bluffs and Phoenix Park Vernal Pools Consumnes River Riparian Woodlands Fish Slough Deep Springs Marsh Cinder Cone Natural Area Turtle Mountains Natural Area Anza-Borrego Desert State Park Miramar Mounds San Felipe Creek Area Lake Shasta Caverns

Please remember, National Natural Landmarks (NNLs) are not national parks. NNL status does not indicate public ownership, and many sites are not open for visitation.

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