Mount Dewar is a mountain

Mountain

Image:Himalaya_annotated.jpg|thumb|right|The Himalayan mountain range with Mount Everestrect 58 14 160 49 Chomo Lonzorect 200 28 335 52 Makalurect 378 24 566 45 Mount Everestrect 188 581 920 656 Tibetan Plateaurect 250 406 340 427 Rong River...

 rising to about 1,600 m to the southwest of Aronson Corner

Aronson Corner

Aronson Corner is the cliffed extremity of a snow-capped ridge between Mummery Cliff and Chevreul Cliffs in Pioneers Escarpment, Shackleton Range. It was photographed from the air by the U.S. Navy, 1967, and surveyed by the British Antarctic Survey, 1968–71...

 in the Pioneers Escarpment

Pioneers Escarpment

Pioneers Escarpment is a mostly snow-covered north-facing escarpment, interrupted by occasional bluffs and spurs, between Slessor Glacier on the north and Shotton Snowfield on the south, in the Shackleton Range. The escarpment was photographed from the air by the U.S. Navy, 1967, and was surveyed...

, Shackleton Range

Shackleton Range

The Shackleton Range is a mountain range in Antarctica. Rising to , it extends in an east-west direction for about between the Slessor and Recovery glaciers....

. Photographed from the air by the U.S. Navy, 1967. Surveyed by British Antarctic Survey

British Antarctic Survey

The British Antarctic Survey is the United Kingdom's national Antarctic operation and has an active role in Antarctic affairs. BAS is part of the Natural Environment Research Council and has over 400 staff. It operates five research stations, two ships and five aircraft in and around Antarctica....

 (BAS), 1968-71. In association with the names of pioneers of polar life and travel grouped in this area, named in 1971 by the United Kingdom Antarctic Place-Names Committee (UK-APC) after Sir James Dewar (1842–1923), Scottish chemist and physicist who invented the thermos flask, about 1892.