Summer is upon us, and Groupon is helping you save big while keeping cool at select Great Wolf Lodge Water Park Resorts all across the U.S. For a limited time, you can save up to 35% when you book your stay at a Great Wolf Lodge through this special Groupon deal. With pools, water slides, games and more, Great Wolf Lodge is the perfect place for a family vacation. This offer only lasts through 6/29/2014, so slip and slide your way on over to Groupon and start planning your Summer adventure today!