|Click here to watch the on-ride POV|
|Designer / calculations||Dennis Starkey|
|Propulsion||Chain lift hill|
|Top speed||50 mph|
|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.
From July 8, 2013 to August 26, 2013, Viper ran backwards.
- "Hope that summer won't send in the clouds", The Atlanta Constitution (1995-04-27), p. 70. Retrieved on 19 May 2021.
- "It's a scream!", The Tennessean (1995-04-30), p. 15. Retrieved on 19 May 2021.
- "Viper Ready to Roll Backwards at Six Flags Great America". NewsPlusNotes. http://newsplusnotes.blogspot.com/2013/07/viper-ready-to-roll-backwards-at-six.html.
- on the Roller Coaster DataBase.