← All National Park Service sites
National Monument
Fossil Butte National Monument · Wyoming
In the ridges of southwest Wyoming are some of the best-preserved fossils in the world. They tell the story of ancient life in a warm, wet environment in and around a freshwater lake. Families can start at the visitor center for maps, exhibits, and Junior Ranger materials; always check nps.gov for current hours and conditions before you go.
Hours, roads, and programs change with the seasons. Check current conditions on the official Fossil Butte National Monument website before you go.
Wild Base Family is not affiliated with, endorsed by, or sponsored by the National Park Service. Park brochures and Junior Ranger books are free official materials published by the National Park Service; our links open the official PDF (on nps.gov) when one is available online.