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An ultra-prominent peak, or Ultra for short, is a mountain summit with a topographic prominence of or more; it is also called a P1500. The prominence of a peak is the minimum height of climb to the summit on any route from a higher peak, or from sea level if there is no higher peak. There are approximately 1,524 such peaks on Earth. Some well-known peaks, such as the Matterhorn and Eiger, are not Ultras because they are connected to higher mountains by high cols and therefore do not achieve enough topographic prominence. The term "Ultra" originated with earth scientist Steve Fry, from his studies of the prominence of peaks in Washington in the 1980s. His original term was "ultra major mountain", referring to peaks with at least of prominence.

Distribution

Currently, 1,515 Ultras have been identified above sea level: 637 in Asia, 353 in North America, 209 in South America, 119 in Europe (including the Caucasus), 84 in Africa, 69 in Australasia and 39 in Antarctica. Many of the world's largest mountains are Ultras, including Mount Everest, K2, Kilimanjaro, Mont Blanc, and Mount Olympus. On the other hand, others such as the Eiger and the Matterhorn are not Ultras because they do not have sufficient prominence. Many Ultras lie in rarely visited and inhospitable parts of the world, including 39 in Greenland, the high points of the Arctic islands of Novaya Zemlya, Jan Mayen and Spitsbergen, and many of the peaks of the Greater ranges of Asia. In British Columbia, some of the mountains listed do not even have generally recognized names. Thirteen of the fourteen 8,000-metre summits are Ultras (the exception being Lhotse), and there are a further 64 Ultras over in height. There are 90 Ultras with a prominence of over , but only 22 with more than prominence. A number of Ultras have yet to be climbed, with Sauyr Zhotasy, (possibly) Mount Siple, and Gangkar Puensum being the most likely candidates for the most prominent unclimbed mountain in the world. (See footnotes 3 and 10.) All of the Seven Summits are Ultras by virtue of the fact that they are the high points of large landmasses. Each has its key col at or near sea level, resulting in a prominence value almost equal to its elevation.


Lists of Ultras (1515)




General

* List of peaks by prominence gives the 125 most prominent peaks worldwide. * List of islands by highest point gives the 75 highest island highpoints, all of which are Ultras

Antarctica (41)

* List of Ultras in Antarctica, including South Atlantic islands (41)


Asia (637)


* List of Ultras in West Asia (88) * List of Ultras in Central Asia (75) * List of Ultras of the Karakoram and Hindu Kush (61) * List of Ultras of the Himalayas, including Sino-Nepal Provinces (76) * List of Ultras of Tibet, East Asia and neighbouring areas, including India (112) * List of Ultras in Northeast Asia (53) * List of Ultras in Japan (21) * List of Ultras in Southeast Asia (42) * List of Ultras in the Philippines (30) * List of Ultras of Malay Archipelago (92 including 12 in Oceania )


Africa (84)


*List of African Ultras (84)


Europe (119)


* List of European ultra-prominent peaks, including non-Alpine European Ultras (60), the Atlantic islands (6) and the European Caucasus Mountains (10) * List of the highest European ultra-prominent peaks (33) * List of Alpine peaks by prominence (44)

North America (353)

The summit of Mount_Logan_in_the_[[Yukon,_the_highest_point_in_[[Canada.html" style="text-decoration: none;"class="mw-redirect" title="Yukon.html" style="text-decoration: none;"class="mw-redirect" title="Mount Logan in the [[Yukon">Mount Logan in the [[Yukon, the highest point in [[Canada">Yukon.html" style="text-decoration: none;"class="mw-redirect" title="Mount Logan in the [[Yukon">Mount Logan in the [[Yukon, the highest point in [[Canada, is ranked sixth in the world by topographic prominence. *[[List of Ultras in North America (353) **[[List of Ultras in Canada (143 including 6 bordering the [[United States) **[[List of Ultras in the United States (129 including 6 in [[Oceania and 6 bordering Canada) ***List of Ultras in Alaska (65 including 4 bordering Yukon and 2 bordering British Columbia) **List of Ultras in Greenland (39) **List of Ultras in Mexico (27) **List of Ultras in Central America (23) **List of Ultras in the Caribbean (7)

Oceania (69)

*List of Ultras in Oceania, including the Southern Indian Ocean (69) **List of ultra-prominent summits of Australia (2) **List of ultra-prominent summits of Indonesian New Guinea (12) **List of ultra-prominent summits of New Zealand (10) **List of ultra-prominent summits of Papua New Guinea (31) **List of ultra-prominent summits of the Hawaiian Islands (6) **List of ultra-prominent summits of the Pacific Islands (6) **List of ultra-prominent summits of the Southern Indian Ocean (2)

South America (209)

*List of Ultras in South America (209)


See also


* List of mountain lists * List of peaks by prominence * Prominence

References

{{Lists of Ultras Category:Mountains Category:Topography Ultra