Where to Find Gypsum in Wyoming
Wyoming has 8 mapped collecting spots that report gypsum, spread across 4 counties. 8 of the spots are on land mapped as publicly accessible.
Spot list checked against source data on April 1, 2026.
Every gypsum spot we track in Wyoming
HyattvilleBig Horn County, WyomingPublic access · Gypsum, Dinosaur Bone, Gastrolith +1- LovellBig Horn County, WyomingPublic access · Gypsum, Fossil
- LaramieAlbany County, WyomingPublic access · Gypsum
- NewcastleWeston County, WyomingPublic access · Gypsum
- Red ButtesAlbany County, WyomingPublic access · Gypsum
- Red GulchBig Horn County, WyomingPublic access · Gypsum
- Sportman LakeAlbany County, WyomingPublic access · Gypsum
- Ten SleepWashakie County, WyomingPublic access · Gypsum
Best counties for gypsum in Wyoming
Ranked by the number of mapped gypsum spots. County links open the full rockhounding page for that county.
- Albany County3 spots
- Big Horn County3 spots
- Washakie County1 spot
- Weston County1 spot
Before you go
Read the gypsum identification guide so you know what a keeper looks like in the field: Gypsum in the encyclopedia.
Gypsum in Wyoming FAQ
Where can you find gypsum in Wyoming?+
The mapped spots concentrate in Albany County, Big Horn County, and Washakie County. Every spot on this page is on the map, and each spot's own page has its coordinates and access notes.
How many gypsum spots are mapped in Wyoming?+
8 spots across 4 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 gypsum in Wyoming?+
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.
Where else to find gypsum
More minerals to hunt in Wyoming
Hunt gypsum in Wyoming 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.
