Harriman State Park

State Parks in Island Park
Hiking & Backpacking icon.Mountain Biking icon.Nordic Skiing & Snowshoeing icon.State Parks icon.

Known for its beautiful scenery and abundant wildlife, Harriman State Park lies within a 16,000-acre wildlife refuge in the Greater Yellowstone Ecosystem. Explore over 22 miles of hiking, mountain biking and horseback riding trails. Enjoy some of the best fly-fishing waters in the lower 48 and while you’re visiting, keep an eye out for moose, elk and Trumpeter swans. 

During winter, the park becomes a premier ski area with over 25 miles of groomed trails for Nordic skiing and snowshoeing.

Harriman State Park

Things To Know

  • The park is located within a geological feature called a caldera, the Henry's Fork Caldera.
  • Known as one of the best fly-fishing streams in the nation, the Henrys Fork meanders for eight miles through the park.
  • In the winter, Harriman is a premier Nordic ski area with over 24-miles of groomed trails for skate and classic skiing, snowshoeing and fat bike riding.
  • One and two-hour and half-day trail rides are available from June 1 through October 31.

Tips for Traveling in Idaho

There's so much to explore in Idaho, but where should you begin? Check out our weekly travel tips and start planning your next adventure.