Gurnee, IL — Six Flags Great America is a theme park in Gurnee, Illinois, with Six Flags Hurricane Harbor Chicago.
In a Nutshell
Six Flags Great America marked its 50th anniversary in 2026 with a summer celebration and nighttime spectacular from June 20 to Aug. 9. In 2027 it opens Camp Timber Trail, a family area with nine attractions, including Sky Hawk, a suspended family coaster.
LocationGurnee, Illinois
Water parkSix Flags Hurricane Harbor Chicago
MarketChicago and Milwaukee
OwnerSix Flags Entertainment Corp.
Six Flags Great America in 2026: The 50th Anniversary
June 20, 2026AnniversaryThe park’s 50th Anniversary Celebration and Nighttime Spectacular ran June 20 to Aug. 9.
Six Flags Great America in 2027: Camp Timber Trail
2027ComingCamp Timber Trail, a family area with nine attractions, including Sky Hawk, a suspended family coaster.
Six Flags Great America Events: The 50th Summer and Fright Fest
June 20 to Aug. 9, 202650th Anniversary Celebration and Nighttime Spectacular
Select days, Sept. 19 to Nov. 1, 2026Fright Fest
Sept. 19 to Nov. 1, 2026Kids Boo Fest, daytimeIncluded with park admission
Six Flags Great America Guides: Fright Fest and the Blair Witch Maze