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Island Park is a city of 270 people (2019) in Idaho.


The city was incorporated by owners of the many lodges and resorts along U.S. Route 20 in 1947, primarily to circumvent Idaho's liquor laws that prohibited the sale of liquor outside of city limits. It is only 500 feet (150 m) wide in most locations yet, at 33 miles (53 km), claims to have the longest "Main Street" in the world.


Summer days are usually warm, with nights dropping to temperatures around 40, while winters are very cold, with massive yearly snowfall averaging 215 inches (546 cm).

Get in[edit]

Salt Lake Express provides intercity bus service.

  • Highway US 20 runs north–south through the most of the city
  • Highway SH-87 begins in the northern part of the city and runs northwest through the northern part of the city and on to Montana

Get around[edit]









  • Eagle Ridge Adventures, 3438 Old Shotgun Rd, +1 208-558-0900. Eagle Ridge Adventures and Ranch offers Island Park cabins, lodges, and cottages for rent. Each option is fully furnished, equipped for cooking, and has a private hot tub. The best feature might be the fact that you’re on private land in Island Park - 140 square miles of visually breathtaking landscapes varying from red deserts to pristine mountains, meadows, rangeland, valleys, lakes, creeks and grassy plains. Book an Island Park lodge, cabin, or cottage now!



Go next[edit]

Routes through Island Park
Idaho FallsAshton  W  E  West YellowstoneYellowstone N.P.

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