Thunder River (ride)
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Thunder River is a river rapids ride located at two American amusement parks. The first opened in 1980 at Six Flags AstroWorld in Houston, Texas, which was the first of its kind in the world. The popu
Thunder River at Six Flags St. Louis.
Fast Lane (Six Flags)
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Fast Lane is an optional pay-per-person line queue system offered on select rides at Six Flags amusement parks. The system provides shorter lines, and guests who want access must pay a fee in addition
The Fast Lane line to X-Flight in Six Flags Great America, a legacy Six Flags park. Legacy Six Flags parks replaced The Flash Pass with Fast Lane in 2026.