A few inches can be the difference between a family riding Goliath together and a disappointed kid watching from the queue line. Six Flags Great America in Gurnee, Illinois packs 16 roller coasters and dozens of family, kids’, and water attractions into its 300 acres, and most of the bigger thrill rides use height as their primary safety cutoff rather than age.
This guide organizes the rides families ask about most by their minimum height requirement, in both inches and centimeters, based on the specifications listed on each ride’s official Six Flags Great America page. Ride lineups, refurbishments, and posted minimums can change seasonally, so treat this as a planning starting point and confirm current requirements on the official park website before your visit.
Stats at a Glance
- Total Rides: 44
- Rides With Height Requirements: 27
- Shortest Requirement: 36 in (91 cm)
- Tallest Requirement: 54 in (137 cm)
Height Requirements, Tier by Tier
36 inches (91 cm): Krazy Kars, a kiddie driving ride in Kidzopolis, has a straightforward 36-inch minimum. Several bigger rides also allow riders down to 36 inches if accompanied by an adult who meets the ride’s full-height requirement, including Whizzer, Sprocket Rockets, and Little Dipper.
42 inches (107 cm): Riders must be at least 42 inches tall to ride Whizzer and Sprocket Rockets solo, as well as Columbia Carousel and Sky Trek Tower, the park’s observation tower. Aquaman Splashdown requires 42 inches to ride alone but has no minimum for guests riding with an accompanying adult.
44 inches (112 cm): Little Dipper, the park’s junior wooden coaster, requires 44 inches to ride solo (down to 36 inches with an accompanying adult, up to a 44-inch cap for accompanied riders).
48 inches (122 cm): This is the most common coaster threshold at the park. Goliath, American Eagle, Viper, Demon, Maxx Force, The Joker (48-77 in / 122-196 cm), Wrath of Rakshasa (48-78 in / 122-198 cm), The Dark Knight Coaster, Justice League: Battle for Metropolis, Giant Drop, DC Super-Villains Swing, and ZoomJets all require riders to be 48 inches or taller.
52 inches (132 cm): X-Flight (52-78 in / 132-198 cm), The Flash: Vertical Velocity (52-80 in / 132-203 cm), and Sky Striker (52-80 in / 132-203 cm) add both a minimum and a maximum height, common on inverted, launched, and pendulum-style rides.
54 inches (137 cm): The tallest general-admission threshold in the park belongs to Raging Bull, Batman: The Ride, Superman: Ultimate Flight, Condor, and Rue Le Dodge bumper cars (54 in solo, or 42 in / 107 cm with an accompanying adult).
Tips for Families Visiting Six Flags Great America
Measure kids at home with shoes on before you go — official height checkpoints at the park measure the same way, and a rounding error can mean a long walk back from the ride entrance. Many rides list two numbers: a solo-rider minimum and a lower accompanied minimum, so a child who’s a few inches short of riding alone may still be able to go on Whizzer, Little Dipper, Sprocket Rockets, The Dark Knight Coaster, Justice League, Rue Le Dodge, or Aquaman Splashdown with an adult who also meets the ride’s requirements.
If a child doesn’t meet a ride’s minimum, Six Flags Great America’s Kidzopolis and Hometown Park areas cluster the park’s lowest-threshold rides together (Krazy Kars, ZoomJets, and other kiddie attractions), making it easy to plan a shorter loop while older or taller family members ride the bigger coasters. Because posted minimums and even ride availability can shift between seasons and after refurbishments, always double-check the current numbers on the official Six Flags Great America ride pages the morning of your visit.
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Six Flags Great America Height Requirements FAQs
What is the minimum height to ride at Six Flags Great America?
It depends on the ride. The park’s lowest posted minimum among rides with a height requirement is 36 inches (91 cm), on Krazy Kars, while several bigger coasters like Raging Bull, Batman: The Ride, and Condor require 54 inches (137 cm). Many attractions in Kidzopolis and Hometown Park have no height requirement at all.
Can kids under 42 inches ride anything at Six Flags Great America?
Yes. Kiddie rides like Krazy Kars (36 in / 91 cm) don’t require an accompanying adult, and several larger rides — including Whizzer, Sprocket Rockets, Little Dipper, The Dark Knight Coaster, Justice League: Battle for Metropolis, and Aquaman Splashdown — allow shorter riders down to 36 or 42 inches if they’re accompanied by an adult who also meets the ride’s full requirement.
Does Six Flags Great America measure height at the gate or at each ride?
Height is checked at each individual ride’s entrance, not once at the park gate, since different rides have different minimums (and some have maximums, like X-Flight and The Flash: Vertical Velocity). Bring proof of height or plan to have kids measured at guest services if you want a wristband confirming their height for the day.
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Photo: Jonrev / Public domain, via Wikimedia Commons.