Mount Jackson is a massive 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...

 that dominates the upland in the southern part of the Antarctic Peninsula

Antarctic Peninsula

The Antarctic Peninsula is the northernmost part of the mainland of Antarctica. It extends from a line between Cape Adams and a point on the mainland south of Eklund Islands....

. It rises to a majestic summit peak on south and east, while the north flank is occupied by a vast cirque

Cirque (landform)

thumb|250 px|Two cirques with semi-permanent snowpatches in [[Abisko National Park]], [[Sweden]].A cirque or corrie is an amphitheatre-like valley head, formed at the head of a valley glacier by erosion...

. Alternate names for the mountain include Mount Andrew Jackson and Mount Ernest Gruening

Ernest Gruening

Ernest Henry Gruening was an American journalist and Democrat who was the Governor of the Alaska Territory from 1939 until 1953, and a United States Senator from Alaska from 1959 until 1969.-Early life:...

. It is located within the Antarctic claims of Argentina

Argentine Antarctica

Argentine Antarctica is a sector of Antarctica claimed by Argentina as part of its national territory. The Argentine Antarctic region, consisting of the Antarctic Peninsula and a triangular section extending to the South Pole, is delimited by the 25° West and 74° West meridians and the 60° South...

, Chile

Antártica

The Chilean Antarctic Territory is the territory in Antarctica claimed by Chile. The Chilean Antarctic Territory ranges from 53°W to 90°W and from the South Pole to 60°S, partially overlapping Argentine and British Antarctic claims...

 and the United Kingdom

British Antarctic Territory

The British Antarctic Territory is a sector of Antarctica claimed by the United Kingdom as one of its 14 British Overseas Territories. It comprises the region south of 60°S latitude and between longitudes and , forming a wedge shape that extends to the South Pole...

.

Discovered by members of the United States Antarctic Service, 1939–41, in aerial flights and sighted by the ground survey party on the plateau. Named by USAS for Andrew Jackson

Andrew Jackson

Andrew Jackson was the seventh President of the United States . Based in frontier Tennessee, Jackson was a politician and army general who defeated the Creek Indians at the Battle of Horseshoe Bend , and the British at the Battle of New Orleans...

, the seventh President of the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, who signed the bill authorizing the United States Exploring Expedition

United States Exploring Expedition

The United States Exploring Expedition was an exploring and surveying expedition of the Pacific Ocean and surrounding lands conducted by the United States from 1838 to 1842. The original appointed commanding officer was Commodore Thomas ap Catesby Jones. The voyage was authorized by Congress in...

, 1838–42, led by Lt. Charles Wilkes

Charles Wilkes

Charles Wilkes was an American naval officer and explorer. He led the United States Exploring Expedition, 1838-1842 and commanded the ship in the Trent Affair during the American Civil War...

 of the US Navy.