23. Anderson Pass, Denali National Park, Alaska (31.8 miles)Get It
This weeklong, off-trail, experts-only classic leads straight into the middle of grizzly country and entails numerous, harrowing river crossings. “It’s certainly one of the more out-there backcountry hikes,” says John Waterman. “There’s no trail, for the most part you’re walking on tundra, and you’re totally isolated. ” Besides route-finding ability, knowledge of bear behavior is a must. “You’d better be on your game,” says Waterman. Although no hiker has ever been killed by a grizzly in Denali, encounters are common. The trail deposits you at the headwaters of the West Fork of Glacier Creek, where grizzlies frequently take their morning constitutionals.
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