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.

Island Park, Idaho has “America’s longest main street” and is located in the Snake River Highlands bordering Montana and Wyoming. The “main street” is 36 miles long. The breathtaking area is known for its rolling, pine-clad forests, and is an ancient volcanic Caldera. It’s located between Ashton, Idaho to the south, and Montana state border to the north. Island Park is also located only 25 minutes from the West Entrance of Yellowstone National Park, at West Yellowstone, Montana.