Splash Kingdom WaterparkSpringfield, Illinois
About 4 miles from Springfield city center (straight line)Closed for the seasonThe 2026 season has ended; the park plans to reopen for the 2027 season on May 29. Outdoor summer water park inside Knight's Action Park in Springfield, Illinois, with a wave pool, slides, a lazy river and a surf ride. The 2026 season has ended; 2027 opens May 29.
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