A snowboarding superpipe is defined as a halfpipe
with near-vertical walls that measure at least 18 feet in height from the flat-bottom of the pipe to the top of the wall. The additional height allows for skiers and snowboarders to fly much higher in the air and perform more difficult tricks than those that are possible in a standard halfpipe.
Pronunciation: [soo-per pahyp]
Also Known As: The Pipe, stunt ditch, stunt taco, stunt tube.
Alternate Spellings: Super pipe.
The walls of the U.S. Open's superpipe are 22 feet high!