Six Flags St. Louis
Previously known as Six Flags Over Mid-America (1971–1996) | |
Interactive map of Six Flags St. Louis | |
| Location | 4900 Six Flags Road Eureka, Missouri 63025, United States |
|---|---|
| Coordinates | 38°30′50″N 90°40′34″W / 38.514°N 90.676°W |
| Status | Operating |
| Opened | June 5, 1971 |
| Owner | Six Flags (current) EPR Properties (pending sale) |
| Operated by | Enchanted Parks (pending) |
| General manager | Danny Snider |
| Slogan | Gateway to Thrills |
| Operating season | April to November |
| Area | 323 acres (1.31 km2) |
| Attractions | |
| Total | 39 |
| Roller coasters | 10 |
| Website | www |
Six Flags St. Louis, originally known as Six Flags Over Mid-America, is an amusement park in Eureka, Missouri, a suburb of St. Louis. Owned and operated by Six Flags, it features attractions, dining, and live entertainment, many themed with characters from Looney Tunes and other Warner Bros. films and TV shows, DC Comics, and, formerly, Scooby-Doo. In March 2026, it was announced Six Flags St. Louis would be sold to EPR Properties. Upon its completion, the park will be operated by Enchanted Parks and be renamed Mid-America by Enchanted Parks.
The park was conceived in the 1960s by Six Flags founder Angus G. Wynne as the last of the company's original three parks. It was the first one designed by the Six Flags company; the designer of the first two, architect Randall Duell, was busy designing AstroWorld at the time. The park opened on June 5, 1971. The park has undergone many changes, including the 1990s replacement or renaming of all six of the park's original areas and the addition of two new ones.
The park, which operates from April to November, hosts various celebrations and events. Some of the most popular are Fright Fest, which runs during the Halloween season (usually late September to late October/early November) and features many Halloween decorations and haunted houses. Star Spangled Nights takes place July 4 and features fireworks displays. The park no longer operates Holiday in the Park, which ran from November to early January and featured Christmas decorations and music, New Year's fireworks, and more.