Arapahoe Basin Ski Area [1] Aspen Highlands [2] Aspen Mountain [2] Beaver Creek Resort [3] Breckenridge Ski Resort [1] Buttermilk [2] Copper Mountain Resort [5] Crested Butte Mountain Resort [6] Durango Mountain Resort [12] Echo Mountain [4] Eldora Mountain Resort [7] Howelsen Hill Ski Area [14] Kendall Mountain Ski Area [12] Keystone Resort [1] Loveland Ski Area [8] Monarch Mountain [10] Powderhorn Resort [11] Silverton Mountain [18] Ski Cooper [13] Snowmass [2] SolVista Basin @ Granby Ranch [9] Steamboat Ski Resort [14] Sunlight Mountain Resort [15] Telluride Ski Resort [16] Vail [3] Winter Park Resort [9] Wolf Creek Ski Area [17] (Sort by map locator number)