By eHow Sports & Fitness Editor
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The Appalachian Trail—three words that roll gently off one's tongue. They're hardly frightening, nothing like "climbing Mount Everest." They hint at a comfortable stroll, at most a brisk hike. Talk to anyone who has hiked the length of the Appalachian Trail—all 2,160 miles of it—and those three words will take on another meaning. The Appalachian Trail is America's longest continuous walking path, extending from Maine to Georgia. For the south-bound thru-hikers, the journey begins in Maine.
eHow Sports & Fitness Editor