Where to Find Opal in Oregon

Oregon has 3 mapped collecting spots that report opal, spread across 3 counties. 1 of the spots are on land mapped as publicly accessible, and 1 is a fee-dig site.

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

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Every opal spot we track in Oregon

Best counties for opal in Oregon

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 Oregon FAQ

Where can you find opal in Oregon?+
The mapped spots concentrate in Crook County, Jefferson County, and Lake 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 Oregon?+
3 spots across 3 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 Oregon?+
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. 1 of the 3 mapped spots here sit on land marked public, and 1 is a fee-dig operation where you pay for access and keep what you find. Always confirm current rules with the managing agency before you dig.

Where else to find opal

More minerals to hunt in Oregon

Hunt opal in Oregon 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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