Where to Find Jasper in Idaho
Idaho has 6 mapped collecting spots that report jasper, spread across 5 counties. The largest share sits in Blaine County with 2 spots. 5 of the spots are on land mapped as publicly accessible.
Spot list checked against source data on April 1, 2026.
Every jasper spot we track in Idaho
Best spotLittle Wood RiverBlaine County, IdahoPublic access · Agate, Chalcedony, Jasper
Ada CountyAda County, IdahoPublic access · Agate, Chalcedony, Jasper +2- Clearwater RiverNez Perce County, IdahoPublic access · Agate, Jasper, Chert +1
Salmon RiverIdaho County, IdahoPermission required · Agate, Chalcedony, Jasper +1- Bruneau DesertOwyhee County, IdahoPublic access · Agate, Chalcedony, Jasper
- CareyBlaine County, IdahoPublic access · Jasper, Moss Agate
Standout jasper spots in Idaho
Hand-picked from the full list above, with the reason each one earns a trip.
Best counties for jasper in Idaho
Ranked by the number of mapped jasper spots. County links open the full rockhounding page for that county.
Before you go
Read the jasper identification guide so you know what a keeper looks like in the field: Jasper in the encyclopedia.
Jasper in Idaho FAQ
Where can you find jasper in Idaho?+
The mapped spots concentrate in Blaine County, Ada County, and Idaho County. Every spot on this page is on the map, and each spot's own page has its coordinates and access notes.
How many jasper spots are mapped in Idaho?+
6 spots across 5 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 jasper in Idaho?+
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. 5 of the 6 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
Where else to find jasper
More minerals to hunt in Idaho
Hunt jasper in Idaho 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.
