Viper (Six Flags Great America)

Roller coaster
Click here to watch the on-ride POV
Viper (Six Flags Great America) 2019 01.jpg
Six Flags Great America
Location Gurnee, Illinois, USA
Coordinates 42°22′05″N 87°56′14″W / 42.368022°N 87.937130°W / 42.368022; -87.937130
Park section Southwest Territory
Status Operating since April 29, 1995
Rider height 48 inch minimum
Manufacturer Six Flags
Designer / calculations Dennis Starkey
Type Wooden
Track layout Cyclone
Hourly capacity 1000
Propulsion Chain lift hill
Height 100 feet
Drop 80 feet
Top speed 50 mph
Length 3458 feet
Inversions 0
Drop angle 53°
Duration 1:45
G-Force 3.6
Rolling stock
Manufacturer Philadelphia Toboggan Coasters
Riders per train 30

Viper is a wooden roller coaster located at Six Flags Great America in Gurnee, Illinois, USA. Opened in 1995, it is the only roller coaster to be built directly by Six Flags themselves.Citation needed Viper is a taller, faster and longer mirror image of the famous Coney Island Cyclone. It is a part of the Southwest Territory, along with Raging Bull.


Construction of the attraction began in late 1994. Viper officially opened to guests on April 29, 1995.[1][2]

From July 8, 2013 to August 26, 2013, Viper ran backwards.[3]




2 trains with 5 cars per train. In each car, riders are arranged 2 across in 3 rows, for a total of 30 riders per train.


Queue line



  1. "Hope that summer won't send in the clouds", The Atlanta Constitution (1995-04-27), p. 70. Retrieved on 19 May 2021.
  2. "It's a scream!", The Tennessean (1995-04-30), p. 15. Retrieved on 19 May 2021.
  3. "Viper Ready to Roll Backwards at Six Flags Great America". NewsPlusNotes. 

External links

  • Viper on the Roller Coaster DataBase.

Articles on Six Flags Great America
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