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This article comprises three sortable tables of mountain peaks of the U.S. State of Alaska. Topographic elevation is the vertical distance above the reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational surface. The topographic prominence of a summit is the elevation difference between that summit and the highest or key col to a higher summit. The topographic isolation of a summit is the minimum great-circle distance to a point of equal elevation. This article defines a significant summit as a summit with at least of topographic prominence, and a major summit as a summit with at least of topographic prominence. An ultra-prominent summit is a summit with at least of topographic prominence. There are 127 ultra-prominent summits in the United States. ==Highest major summits== The following sortable table lists the 50 highest mountain peaks of the State of Alaska with a topographic prominence of at least 500 meters (1640.4 feet). Seven of these peaks lie on the international border with Canada: five with Yukon and two with the Province of British Columbia. The first 23 of these summits each have at least 4000 meters (13,123.4 feet) of topographic elevation and at least 500 meters (1640.4 feet) of topographic prominence. See the Highest mountain peaks of Alaska for a table of these summits. 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「List of mountain peaks of Alaska」の詳細全文を読む スポンサード リンク
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