Viper
Six Flags Great America
| Ride type | Wooden Coaster |
| Builder | Cyclone |
| Current status | Operating |
| Opening date | 04/29/1995 |
| Track length | 3458 ' |
| Maximum speed | 50 mph |
| Height | 100 ' |
| Highest drop | 80 ' |
| Angle of descent | 53 degrees. |
| Riding time | 1:45 min. |
| Coaches | five six-passenger (3x2) |
| Number of trains | 2 |
| Capacity | 1000 riders/hour |
| Riding restrictions | At least 48 " |
A classic cyclone-style wooden roller coaster. An 80-foot first drop takes guests through tight turns, weaving back and forth through the Viper's coils at speeds of up to 50 miles per hour.