Fossil Butte National Monument 4.5 (reviews)

Kemmerer, WY National Parks Unclaimed

About Fossil Butte National Monument

Some of the world's best preserved fossils are found in the flat-topped ridges of southwestern Wyoming's cold sagebrush desert. Fossilized fish, 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 a sub-tropical landscape.

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Last Update 2022

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Fossil Butte National Monument FAQ’s

Doing our bit

Warm days (70–90 degrees F) and moderate evenings (30–50 degrees F) are the norm for summer months. Most evenings require a light jacket. Light frosts are common on summer nights. Yes, it can snow in July.

Spring, fall and winter can be very cold; expect snow and winter conditions