Iron Wolf

(Relocated) Six Flags Great America
Ride typeStand Up Coaster
BuilderBolliger & Mabillard (B & M)
ModelStand-Up Coaster
DesignerIng.-Büro Stengel GmbH
Current statusRelocated
Opening date04/28/1990
Closing date09/05/2011
Track length2900 '
Maximum speed55 mph
Height100 '
Highest drop90 '
Number of inversions2
Riding time2:00 min.
Coachesseven rows of four
Number of trains2
Capacity1220 riders/hour
Riding restrictionsAt least 54 "
A steel stand-up roller coaster featuring a 90-foot plummet, hairpin turns, a corkscrew loop and a 360-degree vertical loop. The Iron Wolf® debuted as the world's tallest, fastest stand-up looping coaster.
Relocated to Six Flags America as Apocalypse