You've seen it in the winter, now check it out during the summer! The Silver Queen Gondola whisks you from the beating heart of Aspen to the serene summit of Ajax in minutes. Give a few sun salutations from 11,200 feet with a yoga class at the Sundeck. Naturalist walks, the highest disc golf course in North America and bluegrass concerts on Sundays round out the roster atop Aspen Mountain.