User: What are the top 10 US ski vacation destinations?
Assistant: The western United States is considered to have the best skiing destinations because of the size of its mountains and the quality of it snow conditions. Nevertheless, given its proximity to large urban populations, the resorts of the northeast United State also sees large numbers of visitors each winter. The list below includes top ski destinations from both regions.

Vail, Colorado
Tahoe, California (this area includes a number of large resorts like Palisades, Heavenly, Sugar Bowl, and Northstar)
Taos, New Mexico
Park City, Utah
Stowe, Vermont 
Jackson Hole, Wyoming
Killington, Vermont
Sugarloaf, Maine
Aspen, Colorado
Sun Valley, Idaho