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Pool Closure

Avalanche Bay Waterpark is closed on October 31 for Halloween. The waterpark will open for normal hours Saturday and Sunday, Noon - 8pm.

Avalanche Bay Birthday Bash

Avalanche Bay's Birthday Bash

20th Birthday Celebration

Dive into the celebration of the decade! Avalanche Bay Waterpark is turning the big 2-0, and we're making waves with our Birthday Splash Bash Weekend, May 16-18! Water you waiting for? We're offering an unmissable deal: just $20 Day Passes all weekend for all ages! That's right—we're flooding you with savings! The fun crests on Saturday, May 17, with a pool party that'll make a real splash! Enjoy a complimentary birthday cake (while supplies last) as we celebrate this milestone together!

Avalanche Bay Waterpark
ALL THE DETAILS

Birthday Weekend

May 16 - 18

  • $20 Day Passes | All Ages
  • Complimentary Cake on Saturday, May 17 (while supplies last)
  • 20% off lodging in the Mountain Grand Lodge and Spa
Avalanche Bay Logo - Blue
girl at party in waterpark
Weekend Getaway

20% Off Your Stay

The Mountain Grand Lodge and Spa is also celebrating 20 swim-sational years with a tide of savings—20% off stays during our birthday weekend!

  • 20% Off Stays in the Mountain Grand Lodge and Spa*
  • Rates start at $176 per night
  • May 16-18, 2025
  • Promo Code: SPLASHBASH
  • Offer ends Thurs, April 29 at midnight

*New bookings only.

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