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Mount Pendragon is a 
mountain
A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher t ...
(975 m high) north-west of Cape Lookout, on Elephant Island
Elephant Island is an ice-covered, mountainous island off the coast of Antarctica in the outer reaches of the South Shetland Islands, in the Southern Ocean. The island is situated north-northeast of the tip of the Antarctic Peninsula, west-so ...
, in the South Shetland Islands
The South Shetland Islands are a group of List of Antarctic and subantarctic islands, Antarctic islands located in the Drake Passage with a total area of . They lie about north of the Antarctic Peninsula, and between southwest of the n ...
of Antarctica
Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. ...
. It was mapped by the UK Joint Services Expedition, 1970-71. The name was applied to this highest mountain on Elephant Island by the United Kingdom Antarctic Place-Names Committee
The UK Antarctic Place-Names Committee (or UK-APC) is a United Kingdom government committee, part of the Foreign and Commonwealth Office, responsible for recommending names of geographical locations within the British Antarctic Territory (BAT) and ...
(UK-APC) in 1971 and acknowledges Charles III
Charles III (Charles Philip Arthur George; born 14 November 1948) is King of the United Kingdom and the 14 other Commonwealth realms.
Charles was born at Buckingham Palace during the reign of his maternal grandfather, King George VI, and ...
, then Prince of Wales
Prince of Wales (, ; ) is a title traditionally given to the male heir apparent to the History of the English monarchy, English, and later, the British throne. The title originated with the Welsh rulers of Kingdom of Gwynedd, Gwynedd who, from ...
, as royal patron of the Joint Services Expedition. Pendragon is the ancient title for a Welsh Prince.
References
Pendragon Elephant Island {{ElephantIsland-geo-stub