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National Monument

Hagerman Fossil Beds National Monument

A fossil horse stands in the center of a room filled with posters and display cases

The Thousand Springs Visitor Center is the only place at the monument to see fossils.

Photo: NPS/S. Lacy

About

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.

Activities

Auto and ATVScenic DrivingFoodPicnickingGuided ToursSelf-Guided Tours - WalkingHikingFront-Country HikingJunior Ranger ProgramWildlife WatchingBirdwatchingMuseum ExhibitsShoppingGift Shop and Souvenirs

Directions

The Thousand Springs Visitor Center is located about one mile north of downtown Hagerman on US Highway 30.

Get directions →

Weather

Hagerman, Idaho, gets 10 inches of rain per year. On average, there are 213 sunny days per year in Hagerman, Idaho. The July high is around 94 degrees. The January low is 22. Our comfort index, which is based on humidity during the hot months, is a 78 out of 100, where higher is more comfortable. The US average on the comfort index is 44.

News

Four southern Idaho national parks welcomed a combined total of more than 430,000 recreation visits in 2025
May 21, 2026

Four southern Idaho national parks welcomed a combined total of more than 430,000 recreation visits in 2025

Four southern Idaho national parks welcomed a combined total of more than 430,000 recreation visits in 2025, including a record number of recreation visits to the Minidoka National Historic Site.