Where to Find Pyrite in Montana
Montana has 5 mapped collecting spots that report pyrite, spread across 5 counties. The largest share sits in Carbon County County with 1 spot. 5 of the spots are on land mapped as publicly accessible.
Spot list checked against source data on April 1, 2026.
Map of 5 pyrite collecting spots in Montana
Best counties for pyrite in Montana
Ranked by the number of mapped pyrite spots. County links open the full rockhounding page for that county.
- Carbon County1 spot
- Jefferson County1 spot
- Lincoln County1 spot
- Madison County1 spot
- Powell County1 spot
Every pyrite spot we track in Montana
Sorted by county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Fromberg | Carbon County |
| 45.3930, -108.9316 | Public |
| WhitehallPaul Gulch Road | Jefferson County | 45.9179, -112.0411 | Public | |
| SylvaniteYaak River Road | Lincoln County | 48.7082, -115.8751 | Public | |
| Bismark MineMammoth South Boulder Road | Madison County | 45.6129, -112.0490 | Public | |
| Pioneer | Powell County | 46.5139, -112.9638 | Public |
Before you go
Read the pyrite identification guide so you know what a keeper looks like in the field: Pyrite in the encyclopedia.
Pyrite in Montana FAQ
Where can you find pyrite in Montana?+
The mapped spots concentrate in Carbon County County, Jefferson County County, and Lincoln County County. Every spot on this page appears on the map above with coordinates and access notes.
How many pyrite spots are mapped in Montana?+
5 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 pyrite in Montana?+
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 5 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
