How deep is the Water Park? Lion Temple Wave Pool: 0 feet deep at its entry to 5 feet at its deepest pointBuild-A-Raft River: 2½ feet deepCragger's Swamp: 0 feet deep at its entry to 1 feet at its deepest point Was this article helpful? Related articles What is the water temperature at the Water Park? What ride restrictions are in the Water Park? Do I have to visit both LEGOLAND and the Water Park on the same day? Can I visit LEGOLAND today and then the Water Park on another day? What rides and attractions are inside the Water Park?