Visit Avalanche Bay

Crazy Family Fun
At Boyne Mountain Resort, you're just a few steps from Michigan's largest indoor waterpark, Avalanche Bay!

Centrally located at the heart of Boyne Mountain Resort, this wet, wild waterpark is open all year 'round, making it the perfect destination for family and friends to let off steam. Whether you're cooling off in the summer or warming up from a day on our winter slopes, you'll welcome each splash of our 84-degree water.

88,000 Square Feet of Fun!

  • Six exciting waterslides, including all new The Big Couloir - Michigan's first ProSlide SuperLOOP with the steepest drop in the industry 
  • Fritz's Snow Fort - Artsy crafts and other activities daily led by an instructor 
  • A Children's pool 
  • Relaxing hot tubs, Rip Zone surf simulator, Splasherhorn Mountain, and a variety of other unique waterpark attractions 
  • Arcade filled with a ton of games for any age 
  • Snack Shack and Après Ski Pub