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List of Ultras of the United States : ウィキペディア英語版 | List of Ultras of the United States
The following sortable table lists the 127 ultra-prominent mountain peaks of the United States. 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. All elevations in the 48 states of the contiguous United States include an elevation adjustment from the National Geodetic Vertical Datum of 1929 (NGVD 29) to the North American Vertical Datum of 1988 (NAVD 88). For further information, please see this United States National Geodetic Survey (note ). Of these 127 ultra prominent peaks, 64 are located in Alaska, 9 in California, 8 in Nevada, 8 in Utah, 7 in Washington, 6 in Hawaii, 5 in Arizona, 4 in Oregon, 4 in Montana, 3 in Colorado, 3 in Wyoming, 2 in Idaho, and one each in New Hampshire, North Carolina, and New Mexico. In the United States, only Denali exceeds of topographic prominence. Three major summits exceed , ten exceed , 45 exceed , and the following 127 summits exceed of topographic prominence. ==Table==
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