From the list of National Natural Landmarks, these are the National Natural Landmarks in Arizona. There are 10 in total.^[1]

Canelo Hills

Comb Ridge

Meteor Crater

Onyx Cave

Willcox Playa

Barfoot Park

Grapevine Mesa

Kaibab Squirrel Area

Patagonia-Sonoita

Ramsey Canyon

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Arizona National Natural Landmarks (clickable map)

	Name	Image	Date	Location	County	Ownership	Description
1	Barfoot Park		2011	31°54′54.32″N 109°18′7.26″W / 31.9150889°N 109.3020167°W / 31.9150889; -109.3020167 (Barfoot Park)	Cochise	Federal (Coronado National Forest)	One of the best U.S. examples of Madrean-influenced ponderosa pine forests.
2	Barringer Meteor Crater		1967	35°1′38″N 111°1′21″W / 35.02722°N 111.02250°W / 35.02722; -111.02250 (Barringer Meteor Crater)	Coconino	Private	The world's first identified meteor crater.
3	Canelo Hills Cienega Reserve		1974	31°33′44.09″N 110°31′33.07″W / 31.5622472°N 110.5258528°W / 31.5622472; -110.5258528 (Canelo Hills)	Santa Cruz	Private (The Nature Conservancy)	Notable for the extremely rare Canelo Ladies Tresses Orchid and the Gila chub.
4	Comb Ridge		1976	36°49′08″N 110°03′26″W / 36.8188°N 110.0572°W / 36.8188; -110.0572 (Comb Ridge)	Navajo	Communal lands (Navajo Nation)	The only known location for tritylodont fossils in North America.
5	Grapevine Mesa		1967	35°58′28″N 114°04′54″W / 35.974431°N 114.081636°W / 35.974431; -114.081636 (Grapevine Mesa)	Mohave	Federal (Bureau of Land Management)	The best existing display of Joshua trees in the United States.
6	Kaibab Squirrel Area		1965	36°24′0.6″N 112°9′11.11″W / 36.400167°N 112.1530861°W / 36.400167; -112.1530861 (Kaibab Squirrel Area)	Coconino	Federal (Kaibab National Forest)	Illustrative of the habitat for the Kaibab squirrel.
7	Onyx Cave		1974	31°43′3″N 110°46′9″W / 31.71750°N 110.76917°W / 31.71750; -110.76917 (Onyx Cave)	Santa Cruz	Federal (Coronado National Forest)	Considered to be the finest cave in Arizona.
8	Patagonia-Sonoita Creek		1970	31°31′40.83″N 110°46′31.65″W / 31.5280083°N 110.7754583°W / 31.5280083; -110.7754583 (Patagonia-Sonoita Creek)	Santa Cruz	Private (The Nature Conservancy)	An example of a cottonwood-willow riparian forest and one of the last permanent stream-bottom habitat areas in southern Arizona.
9	Ramsey Canyon		1965	31°26′52.05″N 110°18′25.88″W / 31.4477917°N 110.3071889°W / 31.4477917; -110.3071889 (Ramsey Canyon)	Cochise	Private (The Nature Conservancy)	A stream-cut, vertical-sided gorge.
10	Willcox Playa		1966	32°8′27.6″N 109°50′52.8″W / 32.141000°N 109.848000°W / 32.141000; -109.848000 (Willcox Playa)	Cochise	Federal (Bureau of Land Management)	The largest "dry lake" in Arizona.

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