Grand Teton National Park, WY
When you get your first glimpse of the Grand Tetons, their size will bewilder you—surely you’d need to be a fully outfitted mountaineer to attempt to even get close to touching the peaks. Jump on this loop, though, and if you can pound out an eight-mile, 4,000-foot vertical route to the 10,800-foot Paintbrush Divide you’ll be rewarded with stunning views of colorful, banded rock walls framed by the Teton Crest and the entirety of the Jackson Hole valley. But be prepared to test your willpower with never-ending switchbacks and slowly thinning air.
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