They have now started a day pass program. See their website for more info as their are some things you need to call ahead and check out. Like number admissions available and if there are any available for the day you plan. I have not tried them, just got a notification from Great Wolf in my email that day passes are now are now available.
You have to pay for a room
Get a room
Only by getting a room
They don't have day pass option. You have to pay for a room.
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