The AT runs 16 miles from the Dartmouth Skiway to NH Hwy 25A. Along the way the trail passes Dorchester Road (Smarts Mtn Trailhead), Mousley Mountain, Fire Warden's Cabin, Smarts Mountain, the Hexacuba shelter, and Mount Cube.
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http://www.tripleblaze.com/trail.php?c=3&i=2555