Get 30% Off on Timber Ridge Lodge & Waterpark in Lake Geneva, WI at Groupon and make summer joyful. This rustic timber ridge Groupon has a huge indoor-outdoor water park, where you can zoom down 35-foot-high water slides or float along the lazy river. The Adventure Center offers guests the opportunity to hike or bike. There are two main eateries at the lodge: the quick-serve Hungry Moose Food Court and Smokey’s Bar-B-Que House, where you can feast on more hearty meals. Each spacious suite has plenty of room for families, with a kitchen (without an oven), a fireplace, a jetted bathtub, and a covered balcony or patio next to the living room.