Challis — Rockhounding in Custer County, Idaho
Challis represents the Challis Volcanics better than a single protected petrified-forest stop, with Idaho Department of Lands listing nearby red agate, banded opal, and petrified-wood localities in Custer County. Mindat records opal from the Challis area and documents agate collecting in the same volcanic province, which makes it a practical tenth pick for silica collectors. Reported finds include red agate, banded opal. Below: coordinates, access notes, nearby spots, and trip-planning links.
Challis photos
Public image records connected to this spot or its reported material, with source and license attribution.
Map showing Challis in Custer County, Idaho
Quick details
- Access
- Public area
- County
- Custer County
- State
- Idaho
- Nearest road
- Garden Creek Road
- Coordinates
- 44.49401, -114.29990
Land & collecting status
Generally open to casual rockhounding
Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Sources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
State guidance last verified:
- Idaho Panhandle National Forests — Emerald Creek
- Idaho Geological Survey
- Spencer Opal Mines (fee-dig operator)
- Community submissions reviewed against published agency rules
Found at Challis
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
- Red AgateEncyclopedia →
- Banded OpalEncyclopedia →
Nearby rockhounding spots
Other rockhounding spots within driving distance of Challis.
- Challis (fluorite area)Custer County, Idaho · 5 mi awayFluorite
- Malm GulchCuster County, Idaho · 11 mi awayAgate, Petrified Wood
- Parker MountainTop pick in IdahoLemhi County, Idaho · 14 mi awayAgate, Chalcedony
- Meyers CoverLemhi County, Idaho · 25 mi awayBanded Agate
- Ima MineLemhi County, Idaho · 30 mi awayTungsten, Tetrahedrite, Chalcopyrite
- Salmon River (Stanley area)Custer County, Idaho · 35 mi awayGold, Cinnabar
- StanleyCuster County, Idaho · 37 mi awayCorundum, Gold, Sapphire
- Panther CreekLemhi County, Idaho · 42 mi awayOpal
Challis FAQ
Why is Challis one of the best rockhounding spots in Idaho?+
Where is Challis?+
What rocks and minerals can you find at Challis?+
Is collecting allowed at Challis?+
How do I get to Challis?+
More rockhounding in Idaho
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