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	Description
Amboy Crater		000000001973-05-01-0000May 1973	Amboy 34.543889°N 115.791111°W / 34.543889; -115.791111 (Amboy Crater)	San Bernardino	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		000000001974-01-01-00001974		Imperial, Riverside, San Diego	The largest desert state park in the nation.
Audubon Canyon		000000001968-01-01-00001968		Marin	The largest known nesting area for great blue herons and American egrets on the Pacific Coast.
Año Nuevo State Reserve		000000001980-01-01-00001980		San Mateo	The only mainland breeding ground for the northern elephant seal in the world.
American River and Phoenix Park Vernal Pools		000000001976-01-01-00001976		Sacramento	Contains outstanding examples of vernal pools, and blue oak woodlands
Black Chasm Cave		000000001976-01-01-00001976		Amador	A small three-level cave containing an outstanding variety of speleothems and some of the best helictite formations in the West.
Burney Falls		000000001984-01-01-00001984		Shasta	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		000000001973-01-01-00001973	Mojave National Preserve	San Bernardino	A complex of over 20 large cinder cones of recent origin with extensive and continuous lava flows.
Cosumnes River Preserve		000000001976-01-01-00001976		Sacramento	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		000000001975-01-01-00001975		Inyo	An example of increasingly rare desert marsh.
Dixon Vernal Pools		000000001987-01-01-00001987		Solano	The best example of valley needlegrass grassland in the Great Central valley.
Elder Creek		000000001964-01-01-00001964		Mendocino	A largely undisturbed watershed containing large old stands of Douglas fir, broadleaf evergreens, and deciduous trees.
Emerald Bay		000000001968-01-01-00001968		El Dorado	An outstanding example of glacial geology.
Eureka Dunes		000000001983-01-01-00001983		Inyo	The tallest dune complex in the Great Basin.
Fish Slough		000000001975-01-01-00001975		Inyo, Mono	A large, essentially undisturbed desert wetland that provides habitat for the endangered Owens pupfish.
Guadalupe-Nipomo Dunes		000000001974-01-01-00001974		San Luis Obispo	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		000000001966-01-01-00001966		Imperial	One of the largest dune patches in the United States.
Irvine Ranch Natural Landmarks		000000002006-01-01-00002006		Orange	A remarkably complete stratigraphic succession ranging in age from late Cretaceous to the present.
Lake Shasta Caverns		000000002012-05-01-0000May 2012		Shasta	An extraordinarily well-decorated solution cave that contains an especially diverse assemblage of calcite cave formations.
Miramar Mounds		000000001972-01-01-00001972		San Diego	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		000000001975-01-01-00001975		San Bernardino	The most important solution caverns known in the Mohave Desert.
Mt. Diablo State Park		000000001982-01-01-00001982		Contra Costa	Geologic strata of Jurassic, Cretaceous, and Tertiary age can be seen in an aggregate thickness of 42,000 feet (13,000 m).
Mount Shasta		000000001976-01-01-00001976		Siskiyou	One of the world's largest and most impressive stratovolcanoes.
Pixley Vernal Pools		000000001987-01-01-00001987		Tulare	One of the few remaining natural vernal pools containing rare endemic plant species.
Point Lobos		000000001967-01-01-00001967		Monterey	An outstanding example of terrestrial and marine environments in close association.
Pygmy Forest at Van Damme State Park		000000001969-01-01-00001969		Mendocino	A unique forest of low, stunted trees and shrubs.
Rainbow Basin		000000001966-01-01-00001966		San Bernardino	Deep erosion canyons with rugged rims.
La Brea Tar Pits (Rancho La Brea)		000000001964-01-01-00001964		Los Angeles	Site of the world-famous natural asphalt tar pits.
San Andreas Fault		000000001965-01-01-00001965		San Benito	One of the best illustrations of earth displacement caused by small crustal movements.
San Felipe Creek		000000001974-01-01-00001974		Imperial San Diego	Probably the last remaining perennial natural desert stream in the Colorado Desert region.
Sand Ridge Wildflower Preserve		000000001984-01-01-00001984		Kern	A remnant natural area displaying a great diversity of floral species.
Sharktooth Hill		000000001976-01-01-00001976		Kern	One of the most abundant, diverse and well- preserved fossil marine vertebrate sites in the world.
Tijuana River Estuary		000000001973-01-01-00001973		San Diego	One of the finest remaining saltwater marshes on the California coastline.
Torrey Pines State Reserve		000000001977-01-01-00001977		San Diego	Contains a unique and undisturbed biological community supporting endangered bird species.
Trona Pinnacles		000000001967-01-01-00001967		San Bernardino	A relict landform from the Pleistocene containing unique formations of calcium carbonate.
Turtle Mountain		000000001973-01-01-00001973		San Bernardino	Contains two mountain sections of entirely different composition.