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Mount Bona is one of the major mountains of the Saint Elias Mountains in eastern Alaska, and is the fifth highest independent peak in the United States.〔This counts both the North and South Peaks of Mount McKinley, which is not a universally accepted practice; see the fourteener article. Bona's height is also often given as 16500 feet (5030m) or as 16552 feet (5045m).〕 Mount Bona and its adjacent neighbor Mount Churchill are both large ice-covered stratovolcanoes. Bona has the distinction of being the highest volcano in the United States and the fourth highest in North America, outranked only by the three highest Mexican volcanoes, Pico de Orizaba, Popocatépetl, and Iztaccíhuatl. The mountain's massif is covered almost entirely by icefields and glaciers, and it is the principal source of ice for the Klutlan Glacier, which flows east for over into the Yukon Territory of Canada. The mountain also contributes a large volume of ice to the north-flowing Russell Glacier system. Mount Bona was named by Prince Luigi Amedeo, Duke of the Abruzzi in 1897, who saw the peak while making the first ascent of Mount Saint Elias about 80 miles (130 km) to the southeast. He named it after the ''Bona'', his racing yacht.〔 〕 The mountain was first climbed in 1930 by Allen Carpé, Terris Moore, and Andrew Taylor, from the Russell Glacier on the west of the peak. The current standard route is the East Ridge; a climb of nearby Mount Churchill is a relatively easy addition via this route as well.〔 == See also == * 4000 meter peaks of Alaska * 4000 metre peaks of Canada * 4000 meter peaks of North America * 4000 meter peaks of the United States * Mountain peaks of Alaska * Mountain peaks of Canada * Mountain peaks of North America * Mountain peaks of the United States * List of Ultras of the United States 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「Mount Bona」の詳細全文を読む スポンサード リンク
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