|Dates cannot be changed through Groupon once booked; valid only for night(s) purchased. 9-day cancellation notice required prior to check-in or reservation is non-refundable; reservations made within cancellation window are non-refundable. A nonrefundable $15 fee will be added to your reservation each time you contact the Great Wolf Lodge call center to change your reservation. No-shows will be charged total Groupon rate. No refunds will be processed by Groupon after check-in. Traveler name must match ID at time of check-in. Must have one individual 21+ staying in each room. Credit card required at check-in. Must provide email address at checkout, which will be provided to Great Wolf Lodge. Water park wristbands are non-transferable; cannot be sold.