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During the Pliocene, this place looked quite different. Lush wetlands, forests, and grasslands provided excellent habitat for a variety of animals. From fascinating, now-extinct creatures like the saber-toothed cat, mastodon, and ground sloth, to more familiar animals like horses, beavers, and birds, the scientific study of Pliocene fossils is the key to Hagerman.
Hours and information for the new visitor center, located one mile north of downtown Hagerman on US Highway 30.
GPS navigation and highway signage may not be up-to-date. Get detailed directions to the new visitor center.
Experience fossil exhibits, scenic overlooks, and more.
Our most-asked questions about visiting Hagerman Fossil Beds.
Learn more about life in Pliocene Hagerman— and the paleontologists who study it.
Before horses appeared in legends, zodiac calendars, or on ranches, their ancestors were already running across the landscapes of Idaho.
Last updated: March 11, 2026
