Where to Find Onyx in Utah
3 mapped onyx rockhounding spots in Utah, across 3 counties. Onyx is reported at multiple rockhounding spots across the United States. Utah packs an enormous amount of geology into one state.
Map of 3 onyx rockhounding spots in Utah
Onyx by county in Utah
Counties ranked by number of onyx spots in our database.
Every onyx spot in Utah
Sorted by county. Coordinates open in Google Maps. Click a row for details.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Mammoth CreekUS 89 | Garfield County | 37.6280, -112.4582 | Public | |
| Johnson PassSR 199 | Tooele County | 40.3372, -112.5727 | Public | |
| Pelican Point | Utah County | 40.2675, -111.8495 | Public |
Onyx in Utah FAQ
Where can I find onyx in Utah?+
RockHoundR tracks 3 onyx spots in Utah, spread across 3 counties. The strongest concentration is in Garfield County.
Is collecting onyx legal in Utah?+
Casual hand collection of common rocks and minerals like onyx is allowed on most BLM and U.S. Forest Service land in Utah, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always confirm rules before a trip.
What is the best onyx location in Utah?+
Garfield County has the most onyx spots in our database for Utah. The full county breakdown is below — different counties produce different qualities and varieties.
