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.

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.

Other states for onyx

Other minerals to find in Utah

Hunt onyx in Utah on the map

Open RockHoundR for live land overlays, weather, geology, and saved spots.

Download on the App StoreGet it on Google Play