Harriman State Park

Mountain Biking in Island Park
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Harriman State Park lies within an 11,000-acre wildlife refuge in the greater Yellowstone Ecosystem. Moose, Elk, and Sandhill Cranes are common, as is North America’s largest waterfowl, the Trumpeter Swan.  Over 20 miles of trails are available for hiking, biking, horseback riding, and cross county skiing.  Harriman State Park has plenty of parking with restrooms and water, and great, easy trails around the lake.

Things To Know

  • Most of the biking trails are single track trails.
  • Their is an entrance fee for vehicles with additional fees for camping.
  • Reservations for stays (campsites, cabins, etc.) within Idaho's State Parks can be made online 24/7, or toll-free by phone at: 1-888-922-6743 daily.
  • Pets are welcome in most Idaho State Parks, but some parks prohibit them in some cabins and yurts, and they are prohibited from beaches. Pets must be kept on a leash no longer than 6-feet or confined to a camper. Do not leave pets unattended in a closed vehicle.
  • Wildlife and vegetation are protected in all Idaho State Parks.
  • All Idaho State Parks are ADA friendly and support service and companion animals.
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