Roller coaster
Viper
At Six Flags St. Louis · United States
Viper is a steel roller coaster at Six Flags St. Louis · United States, built by Anton Schwarzkopf. Catalog stats list it as 80 ft tall, top speed around 48 mph, 1 inversion. It is listed as defunct (closed around 1988). Track it on CoasterTrak after you ride, or open it on the interactive map to plan a visit.
Viper is listed as defunct, so it still counts as a unique credit if you rode it while it operated. Log it on CoasterTrak to keep historical credits in your tally.
How to log Viper on CoasterTrak
- Create a free account if you have not already.
- Mark this coaster ridden after you sit the ride — add a date if you want history.
- Re-rides increase total rides, not your unique credit count.
- Open the Six Flags St. Louis park page afterward to spot leftover credits you have not logged yet.
New to credits? Read what is a coaster credit or the full guides hub.
Track this ride
Add to your wishlist, mark as ridden, or log another ride with a date. Tap − on a logged day if you made a mistake.
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Catalog details may be incomplete or outdated. Always confirm ride status and restrictions with the park before visiting.