Harriman State Park

State Parks in Island Park

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Eastern

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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.

Resources

Harriman State Park

A woman pushes a person in a wheelchair up the ramp at the Harriman State Park Visitor Center. — Harriman State Park, Island Park. Photo credit: Visit Idaho.

A person in a blue jacket snowshoes at Harriman State Park. — Snowshoeing, Harriman State Park. Photo credit: Visit Idaho.

An aerial view of a state park made up of buildings, forest and river during fall. — Harriman State Park, Island Park. Photo credit: Visit Idaho.

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.

Location