Outdoor Adventures in Island Park

Mack’s Inn Resort provides rustic lodging in a family-friendly setting. The Resort is also known for outdoor adventures. Float trips, kayaking, fishing, canoeing, hiking, snowmobiling, cross-country skiing, and so much more, are available for all ages.

Mack’s Inn Resort is located five-miles downstream from Big Springs, the headwaters of the Henry’s Fork of the Snake River. The natural, crystal-clear stream has a daily water flow of over 120 million gallons. Waters flow into 75 miles of fishing streams and two freshwater lakes. Island Park offers various levels of mountain and river adventures that attracts all ages.


10 Incredible Activities to Enjoy!

We want to help you plan ahead for your next extended adventure in the Yellowstone Island Park area!  We're here to help make the most of your adventure!




Mack's Inn Island Park

4292 North Hwy 20 Island Park Idaho 83429