There are 4 National Natural Landmarks in Utah.
Utah National Natural Landmarks (clickable map)
| Name | Image | Date | Location | County | Ownership | Description |
|---|---|---|---|---|---|---|
| Cleveland-Lloyd Dinosaur Quarry | 
|
October 1965 | Cleveland 39°19′22″N 110°41′22″W / 39.32282°N 110.689509°W | Emery | federal/Bureau of Land Management | A possible predator trap that now contains over 15,000 Jurassic dinosaur fossils. |
| Joshua Tree Natural Area | .jpg)
|
1966 | Washington | federal/Beaver Dam Wash National Conservation Area | The only Joshua tree forest in Utah and the northernmost stand of tree yuccas in the country. | |
| Little Rockies | 1975 | Garfield | federal/Glen Canyon National Recreation Area | Exposures of intrusive plugs or stocks with associated sills, dikes and laccoliths, all of which were first studied, described and named there. | ||
| Neffs Canyon Caves | 
|
1977 | Salt Lake | federal/Wasatch National Forest | An excellent example of a cave formed by the capture of a surface stream |