Where to Find Opalized Wood in Washington
10 mapped opalized wood rockhounding spots in Washington, across 6 counties. Opalized Wood is reported at multiple rockhounding spots across the United States. Washington is rich in agate, petrified wood, quartz crystals, and fossils.
Map of 10 opalized wood rockhounding spots in Washington
Opalized Wood by county in Washington
Counties ranked by number of opalized wood spots in our database.
Every opalized wood spot in Washington
Sorted by county. Coordinates open in Google Maps. Click a row for details.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Horse Heaven HillsSellards Road | Benton County | 46.1316, -119.8463 | Public | |
| Rattlesnake Mt. | Benton County | 46.3957, -119.6131 | Public | |
| Moses Coulee | Douglas County | 47.4521, -119.8104 | Public | |
| Grand CouleeAlcan Road Northeast | Grant County | 47.9297, -119.0072 | Public | |
| Mattawa | Grant County | 46.7747, -119.8489 | Public | |
| Columbia RiverBeverly Railroad Bridge | Kittitas County | 46.8349, -119.9497 | Public | |
| Petrified Forest State ParkRecreation Drive | Kittitas County | 46.9602, -119.9884 | Public | |
| BickletonTomith Road | Klickitat County | 46.0199, -120.5152 | Public | |
| Cairn Hope Peak | Yakima County | 46.5661, -119.9769 | Public | |
| Mabton | Yakima County | 46.1631, -119.9807 | Public |
Opalized Wood in Washington FAQ
Where can I find opalized wood in Washington?+
RockHoundR tracks 10 opalized wood spots in Washington, spread across 6 counties. The strongest concentration is in Benton County.
Is collecting opalized wood legal in Washington?+
Casual hand collection of common rocks and minerals like opalized wood is allowed on most BLM and U.S. Forest Service land in Washington, 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 opalized wood location in Washington?+
Benton County has the most opalized wood spots in our database for Washington. The full county breakdown is below — different counties produce different qualities and varieties.
Other states for opalized wood
Other minerals to find in Washington
Hunt opalized wood in Washington on the map
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