Mammoth Mountain, California has its 22-footer open, thanks to 18 feet of natural snow falling on the mountain so far this season. They also have a 13-foot pipes up.
By the numbers:
  • 550 ft long
  • 62 ft wide (vert-to-vert)
  • 18.5 degree pitch
  • 30,000 cubic yards of snow
mammoth_mountain_halfpipe

Shane Pospisil, proper.

mammoth_mountain_halfpipe

Shane Pospisil.

mammothmountain.com/unbound