The skier, who has only been identified as a man in his 30s, suffered "major trauma" when he hit his head on a rock, according to Lt. Brennan Vagas of the Gold Bar Fire Department.
Vagas said members of the ski patrol performed CPR on the skier while they brought him down the mountain, and Gold Bar fire crews took over once they reached the resort's Nordic Center.
Medics immediately called for an airlift, but the skier died before the helicopter arrived.
Vagas said most injuries at the pass come from skiers crashing into each other or hitting trees, not from hitting rocks.
The Chelan County Sheriff's Office is investigating and is in the process of notifying the skier's family. It is unknown if the man was alone or with others at the pass.
A local medical examiner will determine the exact cause of death.