Thunder Mountain was an enclosed steel roller coaster located at Flamingo Land in Malton, Yorkshire, England, UK. The attraction opened in 1991, the same year as the Bullet. It was located in the spot now occupied by Velocity's figure-eight helix and was part of the former "Thunder Mountain Canyon" park area. What happened to the roller coaster when the building was taken down is not known at this time.
The roller coaster inside the building was a standard Pinfari Z40 with red track and white supports.
Single car trains. Riders are arranged 2 across in 2 rows for a total of 4 riders per car.
The cars had over-the-shoulder restraints.