List of National Natural Landmarks in California

From List of National Natural Landmarks, these are the National Natural Landmarks in California. There are 36 in total.

Name	Image	Date	Location	County	Ownership	Description
Amboy Crater		May 1973	Amboy	San Bernardino	federal (Bureau of Land Management)	A 6,000-year-old volcanic cinder cone, made up of pahoehoe. Its location just off historic U.S. Highway 66 has given many visitors the opportunity to climb a volcano.
Anza-Borrego Desert		1974		Imperial, Riverside, San Diego	state (California Department of Parks and Recreation)	The largest desert state park in the nation.
Audubon Canyon		1968		Marin	private	The largest known nesting area for great blue herons and American egrets on the Pacific Coast.
Año Nuevo State Reserve		1980		San Mateo	state (California Department of Parks and Recreation)	The only mainland breeding ground for the northern elephant seal in the world.
American River and Phoenix Park Vernal Pools		1976		Sacramento	mixed- county, private	Contains outstanding examples of vernal pools, and blue oak woodlands
Black Chasm Cave		1976		Amador	private	A small three-level cave containing an outstanding variety of speleothems and some of the best helictite formations in the West.
Burney Falls		1984		Shasta	state (California Department of Parks and Recreation)	Contains some of the best examples in the western United States of a river drainage regulated by stratigraphically-controlled springs, and of a waterfall formed by undercutting of horizontal rock layers.
Cinder Cone Natural Area		1973		San Bernardino	federal (Mojave National Preserve)	A complex of over 20 large cinder cones of recent origin with extensive and continuous lava flows.
Cosumnes River Preserve		1976		Sacramento	mixed- private, federal	A small remnant of a rapidly disappearing riparian woodland community type that once formed a major part of the central California valley.
Deep Springs Marsh		1975		Inyo	private	An example of increasingly rare desert marsh.
Dixon Vernal Pools		1987		Solano	private	The best example of valley needlegrass grassland in the Great Central valley.
Elder Creek		1964		Mendocino	private (University of California Natural Reserve System)	A largely undisturbed watershed containing large old stands of Douglas fir, broadleaf evergreens, and deciduous trees.
Emerald Bay		1968		El Dorado	state (California Department of Parks and Recreation)	An outstanding example of glacial geology.
Eureka Dunes		1983		Inyo	federal (Death Valley National Park)	The tallest dune complex in the Great Basin.
Fish Slough		1975		Inyo, Mono	mixed- federal (Bureau of Land Management), state, municipal	A large, essentially undisturbed desert wetland that provides habitat for the endangered Owens pupfish.
Guadalupe-Nipomo Dunes		1974		San Luis Obispo	mixed- federal (Guadalupe-Nipomo Dunes National Wildlife Refuge), state, private)	The largest relatively undeveloped coastal dune tract in California. Includes off-highway vehicle dune recreation, a national wildlife refuge, beaches, and nesting for the western snowy plover.
Imperial Sand Hills		1966		Imperial	federal (Bureau of Land Management)	One of the largest dune patches in the United States.
Irvine Ranch Natural Landmarks		2006		Orange	mixed- state, county, municipal	A remarkably complete stratigraphic succession ranging in age from late Cretaceous to the present.
Lake Shasta Caverns		May 2012		Shasta	private	An extraordinarily well-decorated solution cave that contains an especially diverse assemblage of calcite cave formations.
Miramar Mounds		1972		San Diego	federal (Marine Corps Air Station Miramar)	Contains unique soil features called mima mounds, which are found in only three or four locations in the country.
Mitchell Caverns and its "Winding Stair" cave	Mitchell Caverns	1975		San Bernardino	state (California Department of Parks and Recreation)	The most important solution caverns known in the Mohave Desert.
Mt. Diablo State Park		1982		Contra Costa	state (California Department of Parks and Recreation)	Geologic strata of Jurassic, Cretaceous, and Tertiary age can be seen in an aggregate thickness of 42,000 feet (13,000 m).
Mount Shasta		1976		Siskiyou	federal (Shasta-Trinity National Forest)	One of the world's largest and most impressive stratovolcanoes.
Pixley Vernal Pools		1987		Tulare	private	One of the few remaining natural vernal pools containing rare endemic plant species.
Point Lobos		1967		Monterey	state (California Department of Parks and Recreation)	An outstanding example of terrestrial and marine environments in close association.
Pygmy Forest at Jug Handle State Natural Reserve		1969 1973		Mendocino	state (California Department of Parks and Recreation)	A unique forest of low, stunted trees and shrubs. This NNL was expanded in 1973 to include the entire five step Ecologic Staircase, or Marine terrace series on which the pygmy forest is located.
Rainbow Basin		1966		San Bernardino	federal (Bureau of Land Management)	Deep erosion canyons with rugged rims.
La Brea Tar Pits (Rancho La Brea)		1964		Los Angeles	municipal (City of Los Angeles)	Site of the world-famous natural asphalt tar pits.
San Andreas Fault		1965		San Benito	private	One of the best illustrations of earth displacement caused by small crustal movements.
San Felipe Creek		1974		Imperial, San Diego	federal (Bureau of Land Management), state	Probably the last remaining perennial natural desert stream in the Colorado Desert region.
Sand Ridge Wildflower Preserve		1984		Kern	private	A remnant natural area displaying a great diversity of floral species.
Sharktooth Hill		1976		Kern	private	One of the most abundant, diverse and well- preserved fossil marine vertebrate sites in the world.
Tijuana River Estuary		1973		San Diego	federal (Tijuana River National Estuarine Research Reserve), state, municipal	One of the finest remaining saltwater marshes on the California coastline.
Torrey Pines State Reserve	Torrey Pintes	1977		San Diego	state (California Department of Parks and Recreation)	Contains a unique and undisturbed biological community supporting endangered bird species.
Trona Pinnacles		1967		San Bernardino	federal (Bureau of Land Management)	A relict landform from the Pleistocene containing unique formations of calcium carbonate.
Turtle Mountain		1973		San Bernardino	federal (Bureau of Land Management), state	Contains two mountain sections of entirely different composition.