If you like ice go night skiing at Keystone. While it's definitely an experience that everyone should try, the few dimly-lit runs are no joke on a cold January night.
During the day, however, Keystone is a well-designed mountain with great variety in terrain. Unfortunately, it gets one of the lowest amounts of total snowfall in all of Colorado which will lend itself to icy conditions up until the end of February.
Pros: variety of terrain, night skiing, gondola
Cons: lesser snowfall, patchy/icy
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