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Fright Fest at Mid America Adventure

2027 dates TBA Very scary

Haunted house in Eureka, MO. 4900 Six Flags Rd., Eureka, MO

Type: Haunted house
Dates: 2027 dates TBA
Hours: 2026: select nights Sep 12 - Nov 1
Cost: 2026: park ticket $40.99; haunted attractions pass $27.99
Scare level: Very scary

The former Six Flags St. Louis park's Halloween nights with four haunted houses, scare zones and shows. Houses are not recommended for under 13, and a daytime Boo Fest runs on weekends for kids.

Dates and times can change with weather, so check before you go. Run this event? Claim it to post this year's date, times and photos. Something wrong? Tell us.

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