There are currently 10 ski areas still open for skiing and riding in the United States.
Timberline Lodge, OR: Closing Date – September 4th, 2017
Mammoth Mountain, CA: Closing Date – Daily Until August
Squaw Valley, CA: Closing Date – August (weekends only after July 4th)
Donner Ski Ranch, CA: Closing Date – Weekends Until The Snows Melts
Beartooth Basin, WY/MT: Closing Date – Daily until July 4th
Arapahoe Basin, CO: Closing Date – Not Yet Announced
Snowbird, UT: Closing Date – Weekends with no closing date yet announced.