From List of National Natural Landmarks, these are the National Natural Landmarks in Utah. There are 4 in total.
Utah National Natural Landmarks (clickable map)
| Name | Image | Date | Location | County | Ownership | Description | |
|---|---|---|---|---|---|---|---|
| 1 | Cleveland-Lloyd Dinosaur Quarry |  | October 1965 | Cleveland 39°19′22″N110°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. |
| 2 | Joshua Tree Natural Area |  | 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. | |
| 3 | 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. | ||
| 4 | Neffs Canyon Caves |  | 1977 | Salt Lake | federal/Wasatch National Forest | An excellent example of a cave formed by the capture of a surface stream | |
