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Where to Find Opal in Utah

Utah has 9 mapped collecting spots that report opal, spread across 6 counties. 9 of the spots are on land mapped as publicly accessible.

Spot list checked against source data on April 1, 2026.

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Every opal spot we track in Utah

Standout opal spots in Utah

Hand-picked from the full list above, with the reason each one earns a trip.

Best counties for opal in Utah

Ranked by the number of mapped opal spots. County links open the full rockhounding page for that county.

Before you go

Read the opal identification guide so you know what a keeper looks like in the field: Opal in the encyclopedia.

Opal in Utah FAQ

Where can you find opal in Utah?+
The mapped spots concentrate in Beaver County, Grand County, and Tooele County. Every spot on this page is on the map, and each spot's own page has its coordinates and access notes.
How many opal spots are mapped in Utah?+
9 spots across 6 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.
Is it legal to collect opal in Utah?+
Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 9 of the 9 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.

Where else to find opal

More minerals to hunt in Utah

Hunt opal in Utah with the map in your pocket

RockHoundR puts these spots on an offline map with BLM and Forest Service overlays, geology layers, and a log for your finds.

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