Where to Find Fossils in Wyoming

4 mapped fossils rockhounding spots in Wyoming, across 1 county. Fossil collecting on most BLM and Forest Service land is allowed for invertebrate and plant fossils, with limits. Wyoming offers some of the best agate and jade collecting in the country.

Map of 4 fossils rockhounding spots in Wyoming

Every fossils spot in Wyoming

Sorted by county. Coordinates open in Google Maps. Click a row for details.

SpotCountyMineralsCoordinatesAccess
GreybullBig Horn County
  • Gastroliths
  • Petrified Dinosaur Bones
  • Fossils
44.6465, -107.8070Public
HyattvilleRea Grove LaneBig Horn County44.2441, -107.5260Public
LovellBig Horn County44.7647, -108.2057Public
LovellMedicine Wheel PassageBig Horn County
  • Fossils
  • Ammonites
  • Dinosaur Bones
  • Gastroliths
44.7977, -108.0474Public

Fossils in Wyoming FAQ

Where can I find fossils in Wyoming?+
RockHoundR tracks 4 fossils spots in Wyoming, spread across 1 county. The strongest concentration is in Big Horn County.
Is collecting fossils legal in Wyoming?+
Casual hand collection of common rocks and minerals like fossils is allowed on most BLM and U.S. Forest Service land in Wyoming, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always confirm rules before a trip.
What is the best fossils location in Wyoming?+
Big Horn County has the most fossils spots in our database for Wyoming. The full county breakdown is below — different counties produce different qualities and varieties.

Other states for fossils

Other minerals to find in Wyoming

Hunt fossils in Wyoming on the map

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