Aello Peak is the highest peak of a mountain group called The Twaharpies, just west of
Mount Bona
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 Denali (Mount McKinley), which is not a universal ...
in the
Saint Elias Mountains
The Saint Elias Mountains (french: Chaîne Saint-Élie) are a subgroup of the Pacific Coast Ranges, located in southeastern Alaska in the United States, Southwestern Yukon and the very far northwestern part of British Columbia in Canada. The range ...
of
Alaska
Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S. ...
. While not highly significant in terms of
prominence
In topography, prominence (also referred to as autonomous height, relative height, and shoulder drop in US English, and drop or relative height in British English) measures the height of a mountain or hill's summit relative to the lowest contou ...
or isolation (it is just west of the summit of Mount Bona), it has a tremendous south face. From the summit, this face drops in just over , and in less than . In terms of vertical relief and
steepness
In mathematics, the slope or gradient of a line is a number that describes both the ''direction'' and the ''steepness'' of the line. Slope is often denoted by the letter ''m''; there is no clear answer to the question why the letter ''m'' is use ...
, this is one of the major faces in
North America.
The Twaharpies also include two other named summits, Ocypete Peak and Celeno Peak, to the southwest of Aello Peak.
Other summits of the Mount Bona massif include
University Peak, also a peak with huge, steep relief, and
Mount Churchill, a higher but much gentler peak.
References
American Alpine ClubLibrary
External links
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Landforms of Copper River Census Area, Alaska
Mountains of Alaska
Mountains of Unorganized Borough, Alaska
Saint Elias Mountains
{{CopperRiverAK-geo-stub