Bookings Notice

A three-night minimum stay is in place for the fall season, September 26 - October 30. 
For 2022, a two-night minimum is in place beginning May 1, with peak summer stays June 16 - September 17 requiring a three-night minimum stay. We look forward to welcoming you soon!

7-Day Forecast

  • Today
    61°F
    46°F
    7%
  • Tue
    68°F
    51°F
  • Wed
    62°F
    53°F
    84%
  • Thu
    55°F
    43°F
    92%
  • Fri
    48°F
    39°F
    68%
  • Sat
    44°F
    39°F
    74%
  • Sun
    46°F
    35°F
    15%

Avalanche Bay

Avalanche Bay is the largest indoor waterpark in Michigan at 88,000 square feet and located at Boyne Mountain Resort, a short drive from Bay Harbor. The weather is always perfect and you'll have plenty to explore with six exciting water slides, a children's pool, relaxing hot tubs, RipZone surf simulator and a lazy river!

Always 84 Degrees

"I'm bored" is never heard here.