Summer Activities
Weather Report

Mountain Stats
A Mountain of Possibilities. Keystone offers the largest amount of terrain in Summit County, Colorado.  It is also home to the longest ski day in Colorado, operating from 8:30am-8pm.  We've also got the top ranked terrain park, A51, in the state and one of the best in the country. View our trail maps, lodging maps and terrain stats to learn your way around the mountain. 
Average Annual Snowfall:
235 in / 597 cm
Total Skiable Acres:
3,148 acres / 1274 ha
Number of Trails:
Number of Lifts:
Base Elevation:
9,280 ft / 2,829m
Summit Elevation
12,408 ft / 3,782m
Expert/Advanced: 79%
Intermediate: 16%
Beginner: 5%