Keystone Resort is a ski resort located in Keystone, Colorado, United States. Since 1997 the resort has been owned and operated by Vail Resorts. It consists of three mountains – Dercum Mountain, North Peak, the Outback – and five Bowls offering skiing at all levels. The three mountains are connected by a series of ski lifts and gondolas. Keystone offers night skiing on Dercum Mountain during the Thanksgiving holiday and mid-December through March.Keystone is known also for its five-acre resurfaced skating lake, sleigh rides and several Zagat-rated four- and five-star restaurants. There are over 3,000 condos in Keystone, all within a short walk or free shuttle ride to one of the two base areas called River Run and Mountain House.
In summer, Keystone provides lift access for mountain hiking, events and hundreds of miles of single-track mountain biking.