Keystone Resort, in the Rocky Mountains, is a year-round resort with skiing, snowboarding on more than 3,000 acres. Summer means 36 holes of mountain championship golf, miles of paved paths and mountain bike trails. Select from hotels, luxury condominiums and townhomes and a bed and breakfast. Experience acclaimed restaurant dining. Kids' Ski Free at Keystone all winter when you stay two or more nights in our lodging options. So don't delay, book your winter celebration today!