With our indoor and outdoor waterparks, huge arcade, lounge, cafe and deluxe rooms. The RainTree Resort is the perfect Wisconsin Dells getaway for parents and children. The Wisconsin Dells RainTree Resort has over 22,000 square feet of indoor and outdoor waterpark fun and over 80 interactive water activities including: squirting canons, tipping rain trees, dumping water buckets, slippery slides, rope climbs and swaying suspension bridges. Young ones will love the zero-depth wading pools, foam-coated water animals and log slides. Lifeguards are on duty and flotation devices are available. While the kids play, why not relax in the hot springs of Caiman Cove, a waterfall-filled, giant-sized hot tub?