if you stay there they are free with your stay. if you aren't staying there the best thing to do is call the hotel.
When I was at the Dell's it was not very busy I think that's why I was able to get tickets for us to $8 each to get on the water slides. I didn't stay there because I had a great deal for Super 8!
Just call
Almost all the hotels give free water park passes.One of the better hotels are kalahari and Great Wolf lodge.
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