<P> In the Presidential Range of the White Mountains, the trail runs completely above treeline from the summit of Mount Pierce to the north side of the cone of Mount Madison, a distance of about 12 miles (19 km). The AT passes over the summits of 16 of the 48 four - thousand footers of New Hampshire: Moosilauke, South and North Kinsman, Lincoln, Lafayette, Garfield, South Twin, Jackson, Pierce, Washington (the highest point of the AT north of Tennessee), Madison, Wildcats D and A, Carter Dome, South and Middle Carter . It comes close to the summits of 8 other of the 48 four - thousand footers: Liberty, Galehead, Zealand, Eisenhower, Monroe, Jefferson, Adams, and Moriah . A series of comfortable huts are maintained along parts of the NH trail by the Appalachian Mountain Club . In New Hampshire, the Dartmouth Outing Club maintains the AT from the Vermont border to Mount Moosilauke, Randolph Mountain Club maintains 2.2 miles from Osgood Trail near Madison Hut to Edmands Col, with the AMC maintaining the remaining miles through the state . The trail passes through the town of Hanover and near the town of Gorham, which have grocery stores and are accessible by public transportation (Dartmouth Coach and Concord Coach Lines) from Boston . Concord Coach also has bus service to Lincoln (several miles off the AT) and AMC Pinkham Notch . During the summer season, AMC runs a shuttle service to Crawford Notch and Franconia Notch . </P> <P> A tradition of thru - hikers Mooning the Cog has developed on Mount Washington . </P> <P> Counties crossed: Oxford County → Franklin County → Somerset County → Piscataquis County </P> <P> The Appalachian Trail Conservancy (or ATC) believes the 281.4 miles (452.9 km) of the trail in Maine are particularly difficult . The western section includes a mile - long (1.6 km) stretch of boulders at Mahoosuc Notch, often called the trail's hardest mile . The central Maine section crosses the Kennebec River at a point where it is 200 feet (61 m) wide, the widest unbridged stream along the trail . The last and most isolated portion in the state (and arguably on the entire trail) is known as the "Hundred - Mile Wilderness". This section heads east - northeast from the town of Monson and ends outside Baxter State Park just south of Abol Bridge . More moose are seen by hikers in this state than any other on the trail . The northern terminus of the Appalachian Trail is on Katahdin's Baxter Peak in Baxter State Park . </P>

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