• Knightia eocaena mass mortality

    Fossil Butte

    National Monument Wyoming

Goods & Services

Water, film, and a bookstore, operated by the Intermountain Natural History Association, are available in the visitor center. All other goods and services are available in Kemmerer and Diamondville or other nearby communities. Evanston and Cokeville, Wyoming and Garden City, Utah are within 60 miles of Fossil Butte National Monument.

Did You Know?

Chisternon undatum, Western Paleo Labs photo

The Green River Formation includes the best paleontological record of Tertiary aquatic communities in North America and possibly the world.