Summer Stays

Peak summer stays, June 16 - September 17, have a two-night minimum stay for midweek stays, Mondays-Wednesdays, and three-night minimum for all other days.

7-Day Forecast

  • Today
    70°F
    64°F
    88%
  • Wed
    76°F
    61°F
    5%
  • Thu
    76°F
    59°F
    6%
  • Fri
    78°F
    61°F
    8%
  • Sat
    77°F
    56°F
    0%
  • Sun
    79°F
    57°F
    9%
  • Mon
    75°F
    64°F
    87%

Avalanche Bay

Now booking summer 2022 tee times!
Explore E-Bike rentals, Poolside Cabanas, and more.

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!

NEW! GUEST DISCOUNTS

New for 2021-22, all year-round, resort guests enjoy 10% off Avalanche Bay passes as part of our new Stay & Save program! You'll use your Confirmation Number as your discount code when purchasing waterpark passes online.

Always 84 Degrees

"I'm bored" is never heard here. Located at Boyne Mountain Resort, just a short drive from Bay Harbor, enjoy 10% off day passes as a resort guest this winter!