Also in Frankenmuth, you'll find Michigan's largest restaurant ... and splash to your heart's content at a 50,000 square foot water park, head to Zehnder's. Read more: These Are The 5 Best ...

Near downtown Frankenmuth, the 30,000 square ... A day pass is $29 per person. Billed as Michigan’s largest indoor water park, Avalanche Bay at Boyne Mountain is an 88,000-square-foot playground.