From the list of National Natural Landmarks, these are the National Natural Landmarks in Arizona. There are 10 in total.[1]
| Name | Image | Date | Location | County | Ownership | Description |
|---|---|---|---|---|---|---|
| Federal (Coronado National Forest) | One of the best U.S. examples of Madrean-influenced ponderosa pine forests. | |||||
| Private | The world's first identified meteor crater. | |||||
| Private (The Nature Conservancy) | Notable for the extremely rare Canelo Ladies Tresses Orchid and the Gila chub. | |||||
| Communal lands (Navajo Nation) | The only known location for tritylodont fossils in North America. | |||||
| 35.9744°N -114.0816°W | Federal (Bureau of Land Management) | The best existing display of Joshua trees in the United States. | ||||
| 36.4002°N -112.1531°W | Federal (Kaibab National Forest) | Illustrative of the habitat for the Kaibab squirrel. | ||||
| Federal (Coronado National Forest) | Considered to be the finest cave in Arizona. | |||||
| 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. | |||||
| Private (The Nature Conservancy) | A stream-cut, vertical-sided gorge. | |||||
| Federal (Bureau of Land Management) | The largest "dry lake" in Arizona. | |||||