Avalanche Bay Indoor Waterpark is located in Boyne Falls, 14 miles south of Petoskey. The park is located within the Boyne Mountain Resort. Enjoy these 4 day passes while you’re in Boyne Falls. Certificate redemption is based on availability, not valid during holiday/special event blackout periods, is non-transferable and not valid with/for any other offer. Waterpark hours of operation vary. Expiration date March 12, 2021