There's nothing lift-serviced in the US above 13k feet. Colorado has a number of 14ers, but no lifts run that high; the highest is Breck, where the highest lif

There's nothing lift-serviced in the US above 13k feet. Colorado has a number of 14ers, but no lifts run that high; the highest is Breck, where the highest lift runs to just below 13k. That's high enough to make everything more tiring, but low enough that there's no serious effects for most people. Even in CO, most ski lifts top out between 11k and 12k.