Some of the world's best preserved fossils are found in the flat-topped ridges of southwestern Wyoming's cold sagebrush desert. Fossilized fishes, insects, plants, reptiles, birds, and mammals are exceptional for their abundance, variety, and detail of preservation. Most remarkable is the story they tell of ancient life in the warm, wet environment in and around a freshwater lake. Read More
A variety of fossil fishes, insects, plants, reptiles, birds and mammals from Eocene Fossil Lake are displayed in the visitor center museum.
Experience the geology, wildlife, scenery, and wide open spaces of Fossil Butte by hiking the trails, dirt roads or taking the scenic drive.
As you plan your visit, be sure to check out the current conditions at Fossil Butte National Monument.
We offer a variety of ranger programs during in the summer months including fossil preparation demonstrations and drop in programs.
Teachers, have fun with these hands-on curriculum materials about Fossil Butte fossils designed for your classroom.
Fossils are windows into the past. Check out photos of the incredibly well preserved fossils from the Green River Formation.
Photos of Fossil Butte's sagebrush step show the land's unique beauty throughout the year.
Last updated: March 17, 2023
