10 Most Challenging Hiking Trails in the United States

Photo by walknboston

Photo by walknboston

Pemi Loop

One of the most challenging hiking trails appears in Pemi Loop, which is located in White Mountains, New Hampshire, and is located in the Pemigewasset Wilderness. This trail also boasts eight 4,000 footers also known as the four peaks of the Franconia Ridge.

This trail in New Hampshire is 32 miles in distance, and it features elevation change of 18,000 feet. The highest peak is extremely thin and should be taken into consideration when reaching the highest peaks during the hike. The knee-hammering rocks, and jolted ground make the hike extremely difficult in keeping balance.

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