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The Karakoram, or Karakorum (; ; Balti: ཁརན ཨ ཀུརམ , Uyghur: ), is a large mountain range spanning the borders between Pakistan, India and China, located in the regions of Gilgit–Baltistan (Pakistan), Ladakh (India), and southern Xinjiang (China). A part of the complex of ranges from the Hindu Kush to the Himalayan Range,〔(【引用サイトリンク】title=Hindu Kush Himalayan Region )〕 it is one of the Greater Ranges of Asia. The Karakoram is home to the highest concentration of peaks over 8000m in height to be found anywhere on earth,〔BBC, ''Planet Earth'', "Mountains", Part Three〕 including K2, the second highest peak in the world at . The range is about in length, and is the most heavily glaciated part of the world outside the polar regions. The Siachen Glacier at and the Biafo Glacier at rank as the world's second and third longest glaciers outside the polar regions.〔Tajikistan's Fedchenko Glacier is long. Baltoro and Batura Glaciers in the Karakoram are long, as is Bruggen or Pio XI Glacier in southern Chile. Measurements are from recent imagery, generally supplemented with Russian 1:200,000 scale topographic mapping as well as Jerzy Wala,''Orographical Sketch Map: Karakoram: Sheets 1 & 2'', Swiss Foundation for Alpine Research, Zurich, 1990.〕 The Karakoram is bounded on the northeast by the edge of the Tibetan Plateau, and on the north by the Pamir Mountains. The southern boundary of the Karakoram is formed, west to east, by the Gilgit, Indus, and Shyok Rivers, which separate the range from the northwestern end of the Himalaya range proper as these rivers converge southwestward towards the plains of Pakistan. The Tashkurghan National Nature Reserve and the Pamir Wetlands National Nature Reserve in the Karalorun and Pamir mountains have been nominated for inclusion in UNESCO in 2010 by the National Commission of the People's Republic of China for UNESCO and has tentatively been added to the list.〔(【引用サイトリンク】url=http://whc.unesco.org/en/tentativelists/5535/ )〕 == Name == Karakoram is a Turkic term meaning ''black gravel''. The name was first applied by local traders to the Karakoram Pass. Early European travellers, including William Moorcroft and George Hayward, started using the term for the range of mountains west of the pass, although they also used the term Muztagh (meaning, "Ice Mountain") for the range now known as Karakoram.〔 Later terminology was influenced by the Survey of India, whose surveyor Thomas Montgomerie in the 1850s gave the labels K1 to K6 (K for Karakoram) to six high mountains visible from his station at Mount Haramukh in Kashmir. 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「Karakoram」の詳細全文を読む スポンサード リンク
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