
Six Flags Great Adventure · Operating · 1999
Medusa
142 ft
Photo: Six Flags Great Adventure · Official park / manufacturer media
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Sign in to suggest an update →Medusa opened in 1999 as Bolliger & Mabillard's first floorless coaster, sending riders' feet dangling through a 142-foot lift, a 132-foot first drop, and seven inversions across Frontier Adventures. The layout's interlocking corkscrews and zero-g roll made it an immediate chain flagship, and it still defines the park's older steel-thrill corner beside the lake. Floorless trains keep every inversion feeling exposed even decades after the model's debut.
Specifications
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Ride profile
Scaled against Six Flags Great Adventure's operating coasters
Park intensity
Height
142 ft
#3 of 13 at Six Flags Great Adventure
Ride experience
- First drop132.00 ft
- Floorless
- Steel
Ride details
Min height
4'6"
Drop
132 ft
Specs from sixflags.com
History
Sourced timeline and background for Medusa.
Timeline
1999
Medusa opens
Bolliger & Mabillard's first floorless coaster debuts with a 142-foot lift and seven inversions.
Background
Medusa opened in 1999 as Bolliger & Mabillard's first floorless coaster, dropping the station floor away so riders' feet hang free through a 142-foot lift, a steep first plunge, and seven inversions. The interlocking corkscrews and zero-g roll made the model an immediate chain template, and Great Adventure's installation still anchors Frontier Adventures beside the lake.
Floorless trains keep every inversion feeling exposed even decades after the debut, which is why Medusa remains a must-credit for guests who skip modern launch coasters. Official copy still sells the Greek-mythology name more than a built show building, leaving the steel layout as the real attraction.
It sits in the Atlas roster as both a local flagship and a historically important B&M prototype that helped define late-1990s Six Flags steel expansion.
History primarily sourced from sixflags.com. See also our data policy.
In the news
Coaster Atlas newsroom editions that mention Medusa.
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Sources & official links
We link out to parks, manufacturers, and the pages where facts and media come from.
- Six Flags Great Adventure — official sitesixflags.com(opens in a new tab)
- Six Flags Great Adventure on Coaster AtlasPark page
- Ride specifications sourcesixflags.com(opens in a new tab)
- Bolliger & Mabillard — manufacturerbolliger-mabillard.com(opens in a new tab)
- Hero photo (Six Flags Great Adventure · Official park / manufacturer media)Image license & attribution(opens in a new tab)
- History & background sourcesixflags.com(opens in a new tab)
Learn more
Picked from the knowledge base based on this ride's type, manufacturer, and elements.
About B&M-built coasters
Bolliger & Mabillard (B&M)
Swiss manufacturer known for smooth inverts, hypers, dives, and wing coasters.
Matches floorless rides
Floorless coasters
No floor panel under your feet — open views and a different sense of exposure.
Element guide for floorless rides
Cobra rolls and related double inversions
Two half-loops joined by twists — a dramatic pair of inversions that packs intensity into a short stretch of track.
Element guide for floorless rides
Corkscrews and barrel rolls
Twisting inversions that trade a clean circle for rotation around the track — snappy, lateral, and very common.












