Fact 1: Six Flags St. Louis opened in 1971 and was originally named "Six Flags Over Mid-America."
Fact 2: The park's coaster lineup includes the thrilling "Mr. Freeze: Reverse Blast," which launches riders backwards at high speed!
Fact 3: Six Flags St. Louis features a unique water coaster called "Thunder River," combining boat rides with a thrilling whitewater experience!
Updated: December 14, 2025