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Where to Find Thundereggs in Oregon

Oregon has 19 mapped collecting spots that report thundereggs, spread across 6 counties. The largest share sits in Crook County with 7 spots. 7 of the spots are on land mapped as publicly accessible, and 3 are fee-dig sites.

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

Map of 19 thunderegg collecting spots in Oregon

Standout thunderegg spots in Oregon

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

Best counties for thundereggs in Oregon

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

Every thunderegg spot we track in Oregon

Sorted by county. Coordinates open in Google Maps.

SpotCountyMineralsCoordinatesAccess
Desolation CanyonCrook County44.4757, -120.5074Permission
Forked Horn ButteCrook County44.4553, -120.5610Permission
Harvey CreekMill Creek RoadCrook County44.4578, -120.5968Public
Lucky Strike MineForest Road 2730-200Crook County44.5179, -120.4961Paid / fee
Whistler SpringNational Forest Development Road 2700-500Crook County44.4964, -120.4859Public
White Fir SpringWildcat Mountain RoadCrook County44.4046, -120.5536Public
White RockWhite Rock Spring RoadCrook County44.4245, -120.5465Public
Mann Lake Recreation SiteHarney County42.7825, -118.4474Public
Pike CreekPike Creek TrailHarney County42.5769, -118.5306Check locally
AshwoodNortheast Trout Creek RoadJefferson County44.7358, -120.7542Permission
Polka Dot Agate MineNortheast Pony Butte RoadJefferson County44.7587, -120.8303Check locally
Priday Agate BedsNortheast Pony Butte RoadJefferson County44.7373, -120.9073Paid / fee
Richardson's Rock RanchNortheast Hay Creek RoadJefferson County44.7320, -120.9757Paid / fee
WillowdaleThe Dalles-California HighwayJefferson County44.8038, -120.9424Permission
Crane CreekForest Road 3900-014Lake County42.1030, -120.2650Check locally
Crane MountainLake County42.0688, -120.2901Public
West Side Warner PeakLake County42.4672, -119.7819Permission
Succor Creek State Natural AreaSuccor Creek RoadMalheur County43.4540, -117.1190Public
Sunflower FlatS-509 RoadWasco County45.0746, -121.4030Permission

Before you go

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

Thundereggs in Oregon FAQ

Where can you find thundereggs in Oregon?+
The mapped spots concentrate in Crook County, Jefferson County, and Lake County. Every spot on this page appears on the map above with coordinates and access notes.
How many thunderegg spots are mapped in Oregon?+
19 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 thundereggs 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. 7 of the 19 mapped spots here sit on land marked public, and 3 are fee-dig operations where you pay for access and keep what you find. Always confirm current rules with the managing agency before you dig.

More minerals to hunt in Oregon

Hunt thundereggs 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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