Re:Altitude has become the defining characteristic of roller...
by neonhomer on Monday August 17, 2015 @01:39PM
(#10074728)
A giga coaster is between 300-399 feet, while a strata coaster is 400+. I guess they didn't include the two strata coasters (Top Thrill Dragster being the second) because they don't go through as long of a ride.
https://en.wikipedia.org/wiki/Roller_coaster#By_height