Yep, we’re talking about this Indiana quarry campground with blue-green water that honestly looks too cinematic to be real. The Floating Obstacle Course That Will Test Your BalancePicture this: you are standing on a floating platform, eyeing the next obstacle, and your competitive instincts have fully taken over. Together, these features transform the quarry lake into something that feels more like an outdoor water park than a campground lake. Kayaking And Canoeing On The Flat Rock RiverNot everyone wants to conquer a floating obstacle course, and that is perfectly fine. The Flat Rock River runs right through the Hidden Paradise property, offering a completely different pace of water adventure.