Keystone is one of six Summit County Colorado ski resorts (Arapahoe, Breckenridge, Copper, Ski Cooper, Keystone, Loveland) just off of highway 70 about 100 miles from the Denver International Airport. Keystone is accessible by shuttle bus or by rental car.
Keystone (mountain base):
One must first get to Denver Colorado which is easily accessed by air. From there rent a car or take a shuttle bus to get to the mountains.
Keystone provides parking at both village base areas, the main "River Run" village and "Mountain House" village.