A channel constructed in the snow, which resembles a pipe cut longitudinally Halfpipes, or pipes, have consistent walls on both sides and are 75 to 300 feet long with 6 to 12 foot walls
A snow structure built for freestyle snowboarding It consists of opposing radial transition walls of the same height and size Snowboarders utilize the halfpipe to catch air and perform tricks by traveling back and forth from wall to wall while moving down the fall line