Where to Find Opal in Idaho
6 mapped opal rockhounding spots in Idaho, across 6 counties. Opal forms when silica-rich water dries out in cavities. Idaho is a star-garnet, opal, and jasper destination.
Map of 6 opal rockhounding spots in Idaho
Opal by county in Idaho
Counties ranked by number of opal spots in our database.
Every opal spot in Idaho
Sorted by county. Coordinates open in Google Maps. Click a row for details.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| EmmettPayette Riverwalk Trail | Gem County |
| 43.8775, -116.5183 | Public |
| Setters | Kootenai County | 47.4681, -116.9883 | Public | |
| Moscow | Latah County | 46.7927, -117.0395 | Public | |
| Panther Creek | Lemhi County | 45.0953, -114.2304 | Public | |
| AgathaBed Rock Road | Nez Perce County | 46.5278, -116.5754 | Public | |
| Yellow PineStibnite Road | Valley County | 44.9646, -115.4788 | Public |
Opal in Idaho FAQ
Where can I find opal in Idaho?+
RockHoundR tracks 6 opal spots in Idaho, spread across 6 counties. The strongest concentration is in Gem County.
Is collecting opal legal in Idaho?+
Casual hand collection of common rocks and minerals like opal is allowed on most BLM and U.S. Forest Service land in Idaho, 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 opal location in Idaho?+
Gem County has the most opal spots in our database for Idaho. The full county breakdown is below — different counties produce different qualities and varieties.
Other states for opal
Hunt opal in Idaho on the map
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