Mid America Adventure
Mid America Adventure by Enchanted Parks, formerly known as Six Flags Over Mid-America and Six Flags St. Louis, is an amusement park in Eureka, Missouri, a suburb of St. Louis. It comes under Enchanted Parks. The mildest months are April, May, September and October, with highs of 68–81°F.
A theme park inside Eureka
Open April to November
Mid America Adventure is a seasonal theme park: open April to November. Check its calendar for the days and hours. When to go ↓
33 rides and 10 roller coasters
On 323 acres. Open since 1971. About ↓
One of the most looked-up attractions in the U.S.
About 66K people a year read its Wikipedia article, more than for 95% of the 7,770 attractions we track.
You can stay in Eureka
Mid America Adventure is inside Eureka, which has 9 places to stay, so you won’t need a base farther out. Where to stay ↓
Best months: Apr, May, Sep and Oct
April, May, September and October are the mild months, with highs of 68–81°. When to go ↓
Written from NOAA 1991–2020 normals, Overture places to stay, Census town figures, Wikidata and Wikipedia.
Open April to November
Typical highs and lows in Eureka. Gray months it’s closed. Green months are open and mild.
Mid America Adventure
Mid America Adventure by Enchanted Parks, formerly known as Six Flags Over Mid-America and Six Flags St. Louis, is an amusement park in Eureka, Missouri, a suburb of St. Louis. Founded in 1971 by Six Flags, the park was purchased in 2026 by EPR Properties, which hired Enchanted Parks to operate it.
The park was conceived in the 1960s by Six Flags founder Angus G. Wynne. Unlike his company's first two parks, it was not designed by architect Randall Duell, who was busy designing AstroWorld, but by the company itself. The park opened on June 5, 1971. It has undergone many changes, including a 1990s revamp that added two new areas and replaced or renamed all six of the park's original ones.
- Type
- Theme park
- Season
- April to November
- Rides
- 33 · 10 roller coasters
- Opened
- 1971
- Area
- 323 acres
- Run by
- Enchanted Parks
- Wikipedia readers
- 66K a year
Rooms near Mid America Adventure
Lodging nearby is in Eureka (9) and St. Louis (99).
Compare 8 towns
| Town | From Mid America Adventure | Drive | Places to stay | People | Typical home | Safety |
|---|---|---|---|---|---|---|
| Eureka | in town | — | 9 4 hotels · 1 lodge or cabins · 3 campgrounds · 1 RV park | 13,422 | $379K | B+ |
| St. Louis | 25 mi east | 35 min | 99 78 hotels · 5 motels · 12 inns & B&Bs · 3 lodges & cabins · 1 campground | 278,144 | $198K | D− |
| Chesterfield | 11 mi northeast | 15 min | 17 16 hotels · 1 campground | 49,309 | $473K | B |
| Maryland Heights | 18 mi northeast | 25 min | 34 30 hotels · 2 motels · 1 inn or B&B · 1 lodge or cabins | 27,559 | $227K | C+ |
| Augusta | 12 mi west | 20 min | 11 2 hotels · 8 inns & B&Bs · 1 lodge or cabins | 265 | $363K | — |
| Fenton | 12 mi east | 20 min | 11 11 hotels | 4,060 | $375K | — |
| St. Charles | 21 mi northeast | 30 min | 28 19 hotels · 1 motel · 6 inns & B&Bs · 1 lodge or cabins · 1 RV park | 72,561 | $299K | B |
| Pacific | 5 mi southwest | 5 min | 3 3 hotels | 7,824 | $249K | B− |
Getting there
Nearest airports with airline service
Nearby, too
Within 37 miles you can add these well-known places.
Big draw34 mi State parkCahokia
Big draw128 mi Stadium & arenaThe Dome at America's Center
227 mi Stadium & arenaBusch Stadium
328 mi National ParkGateway Arch National Park2.2M visitors a year
427 mi Stadium & arenaEnterprise Center
35 mi LandmarkMonks Mound
37 mi Ancient sitePiasa
526 mi Stadium & arenaEnergizer ParkPhoto credits
Cahokia: Thank You (24 Millions ) views, CC BY 2.0 · The Dome at America's Center: Paul Sableman, CC BY 2.0 · Busch Stadium: Lee Ann Ratledge, CC BY 4.0 · Gateway Arch National Park: Daniel Schwen, CC BY-SA 4.0 · Enterprise Center: Haaron755, CC BY-SA 3.0 · Monks Mound: Skubasteve834, CC BY-SA 3.0 · Piasa: Burfalcy, CC BY-SA 3.0 · Energizer Park: Cornfield948, CC BY-SA 3.0
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Questions about Mid America Adventure
When is Mid America Adventure open?
April to November. Check its calendar for the days and hours, which change through the season.
Is Mid America Adventure in Eureka?
Yes. It’s inside Eureka, MO.
When is the best time to visit Mid America Adventure?
April, May, September and October, with highs of 68–81°.
What is the closest airport to Mid America Adventure?
St. Louis Lambert (STL), about 23 miles away.
How many roller coasters does Mid America Adventure have?
10, among 33 rides.
Where should I stay near Mid America Adventure?
Eureka (in town, 9 places to stay), St. Louis (25 mi, 99 places to stay) and Chesterfield (11 mi, 17 places to stay).
From people who live in Eureka
What people nearby have posted about Mid America Adventure.
Sources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · NOAA climate normals · U.S. Census.