Where to Find Garnet in Idaho
Idaho has 8 mapped collecting spots that report garnet, spread across 7 counties. The largest share sits in Shoshone County with 2 spots. 8 of the spots are on land mapped as publicly accessible.
Spot list checked against source data on April 1, 2026.
Every garnet spot we track in Idaho
Best spotIdaho CityBoise County, IdahoPublic access · Quartz, Garnet
LewistonNez Perce County, IdahoPublic access · Agate, Aquamarine, Garnet +2
Pack RiverBoundary County, IdahoPublic access · Garnet, Feldspar, Mica
CuprumAdams County, IdahoPublic access · Garnet, Epidote
Deadwood GulchShoshone County, IdahoPublic access · Garnet, Gold
Boulder CreekLatah County, IdahoPublic access · Garnet
Emerald and Ruby CreeksShoshone County, IdahoPublic access · Garnet
RigginsIdaho County, IdahoPublic access · Garnet
Standout garnet spots in Idaho
Hand-picked from the full list above, with the reason each one earns a trip.
Best counties for garnet in Idaho
Ranked by the number of mapped garnet spots. County links open the full rockhounding page for that county.
Before you go
Read the garnet identification guide so you know what a keeper looks like in the field: Garnet in the encyclopedia.
Garnet in Idaho FAQ
Where can you find garnet in Idaho?+
The mapped spots concentrate in Shoshone County, Adams County, and Boise County. Every spot on this page is on the map, and each spot's own page has its coordinates and access notes.
How many garnet spots are mapped in Idaho?+
8 spots across 7 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 garnet 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. 8 of the 8 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
