
Overview
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.
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.
Gallery
5 images
Things to do

Visitors of all ages and abilities can become a Hagerman Fossil Beds Junior Ranger.
Learn more
The Hagerman Valley is one of the most popular birding destinations in southern Idaho.
Learn more
Pack up a meal to enjoy with friends or family at a covered picnic shelter along the park road.
Learn more
The Emigrant Trail roughly parallels visible remnants of the Oregon Trail, capturing some of the experience of mid-1800s emigrants moving West.
Learn more
See fossils on display and learn about Hagerman's contributions to the science of paleontology.
Learn more
Take in stunning views of the Snake River, the fossil beds, and the Hagerman Valley along five miles of park road. Stop at the Snake River and Oregon Trail Overlooks for scenic viewpoints and educational exhibits.
Learn moreHelp visitors discover the best local businesses near Hagerman Fossil Beds National Monument. List your business on Poyst and reach thousands of travelers.