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(詳細はNew England region. ==Geography== The state is bounded by Quebec, Canada, to the north and northwest; Maine and the Atlantic Ocean to the east; Massachusetts to the south; and Vermont to the west. New Hampshire's major regions are the Great North Woods, the White Mountains, the Lakes Region, the Seacoast, the Merrimack Valley, the Monadnock Region, and the Dartmouth-Lake Sunapee area. New Hampshire has the shortest ocean coastline of any U.S. coastal state, with a length of , sometimes measured as only . New Hampshire was home to the rock formation called the Old Man of the Mountain, a face-like profile in Franconia Notch, until the formation disintegrated in May 2003. The White Mountains range in New Hampshire spans the north-central portion of the state, with Mount Washington the tallest in the northeastern U.S. – site of the second-highest wind speed ever recorded – and other mountains like Mount Madison and Mount Adams surrounding it. With hurricane-force winds every third day on average, over 100 recorded deaths among visitors, and conspicuous krumholtz (dwarf, matted trees much like a carpet of bonsai trees), the climate on the upper reaches of Mount Washington has inspired the weather observatory on the peak to claim that the area has the "World's Worst Weather".〔(【引用サイトリンク】title=Mount Washington...Home of the World's Worst Weather )〕 In the flatter southwest corner of New Hampshire, the landmark Mount Monadnock has given its name to a class of earth-forms – a ''monadnock'' – signifying, in geomorphology, any isolated resistant peak rising from a less resistant eroded plain. Major rivers include the Merrimack River, which bisects the lower half of the state north-south and ends up in Newburyport, Massachusetts. Its tributaries include the Contoocook River, Pemigewasset River, and Winnipesaukee River. The Connecticut River, which starts at New Hampshire's Connecticut Lakes and flows south to Connecticut, defines the western border with Vermont. The state border is not in the center of that river, as usually the case, but at the low-water mark on the Vermont side; meaning that the entire river along the Vermont border (save for areas where the water level has been raised by a dam) lies within New Hampshire.〔''VERMONT v. NEW HAMPSHIRE'' 〕 Only one town – Pittsburg – shares a land border with the state of Vermont. The "northwesternmost headwaters" of the Connecticut, now known as Halls Stream, define the Canadian border with New Hampshire. The Piscataqua River and its several tributaries form the state's only significant ocean port where they flow into the Atlantic at Portsmouth. The Salmon Falls River and the Piscataqua define the southern portion of the border with Maine. The Piscataqua River boundary was the subject of a border dispute between New Hampshire and Maine in 2001, with New Hampshire claiming dominion over several islands (primarily Seavey's Island) that include the Portsmouth Naval Shipyard. The U.S. Supreme Court dismissed the case in 2002, leaving ownership of the island with Maine. The largest of New Hampshire's lakes is Lake Winnipesaukee, which covers in the east-central part of New Hampshire. Umbagog Lake along the Maine border, approximately , is a distant second. Squam Lake is the second largest lake entirely in New Hampshire. New Hampshire has the shortest ocean coastline of any state in the United States, approximately long. Hampton Beach is a popular local summer destination. About offshore are the Isles of Shoals, nine small islands (four of which are in New Hampshire) known as the site of a 19th-century art colony founded by poet Celia Thaxter, and the alleged location of one of the buried treasures of the pirate Blackbeard. It is the state with the highest percentage of timberland area in the country.〔(【引用サイトリンク】title=USDA report: "Tree and impervious cover in the United States (2012)" )〕 New Hampshire is in the temperate broadleaf and mixed forests biome. Much of the state, in particular the White Mountains, is covered by the conifers and northern hardwoods of the New England-Acadian forests. The southeast corner of the state and parts of the Connecticut River along the Vermont border are covered by the mixed oaks of the Northeastern coastal forests. The northern third of the state is locally referred to as the "north country" or "north of the notches", in reference to White Mountain passes that channel traffic. It contains less than 5% of the state's population, suffers relatively high poverty, and is steadily losing population as the logging and paper industries decline. However, the tourist industry, in particular visitors who go to northern New Hampshire to ski, snowboard, hike and mountain bike, has helped offset economic losses from mill closures. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Geology of New Hampshire」の詳細全文を読む スポンサード リンク
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