Dufek Massif is a range of peaks in the Pensacola Mountains

Pensacola Mountains

The Pensacola Mountains are a large group of mountain ranges and peaks in Antarctica, extending 450 km in a NE-SW direction, comprising the Argentina Range, Forrestal Range, Dufek Massif, Cordiner Peaks, Neptune Range, Patuxent Range, Rambo Nunataks and Pecora Escarpment...

 of Antarctica, centered at . It covers 11668 square kilometre and its highest point is England Peak

England Peak

England Peak is a sharp peak about 2,150 m, located 0.5 nautical miles south of Aughenbaugh Peak and east of Neuburg Peak in the west part of Dufek Massif, Pensacola Mountains. Named by Advisory Committee on Antarctic Names at the suggestion of United States Geological Survey field party leader...

 2150 metres (7,053.8 ft). It is named for Rear Admiral George J. Dufek

George J. Dufek

George John Dufek was an American naval officer, naval aviator, and Arctic expert. He served in World War II and the Korean War and in the 1940s and 1950s spent much of his career in the Antarctic, first with Admiral Byrd and later as supervisor of U.S. programs in the South Polar regions...

 who participated in the exploration of the Antarctic

Antarctic

The Antarctic is the region around the Earth's South Pole, opposite the Arctic region around the North Pole. The Antarctic comprises the continent of Antarctica and the ice shelves, waters and island territories in the Southern Ocean situated south of the Antarctic Convergence...

 in the mid-twentieth century. Dufek Coast

Dufek Coast

Dufek Coast is that portion of the coast along the southwest margin of the Ross Ice Shelf between Airdrop Peak on the east side of the Beardmore Glacier and Morris Peak on the east side of Liv Glacier. Named by New Zealand Antarctic Place-Names Committee in 1961 after Rear Admiral George J...

, Dufek Head

Dufek Head

Dufek Head is an ice-covered headland northeast of Tyree Head in south Ross Island. The headland rises to at the east side of the terminus of Aurora Glacier. Named by the Advisory Committee on Antarctic Names in association with Tyree Head, after Rear Admiral George J. Dufek, U.S. Navy ,...

, and Dufek Mountain

Dufek Mountain

Dufek Mountain is a large mountain rising to , standing southwest of Mefjell Mountain in the Sør Rondane Mountains. Mapped by Norwegian cartographers in 1957 from aerial photographs taken by United States Navy during Operation Highjump, 1946–1947. The nmountain was named for RADM George J. Dufek,...

 are also named for Dufek. Other notable local terrain features include Kelley Spur

Kelley Spur

Kelley Spur is a rock spur 2 nautical miles east of Spear Spur on the south side of Dufek Massif in the Pensacola Mountains. Mapped by the United States Geological Survey from surveys and United States Navy air photos, 1956-66. Named by the Advisory Committee on Antarctic Names for Samuel...

, a rock spur

Spur (mountain)

A spur is a subsidiary summit of a hill or mountain. By definition, spurs have low topographic prominence, as they are lower than their parent summit and are closely connected to them on the same ridgeline...

 2 nautical miles (3.7 km) east of Spear Spur

Spear Spur

Spear Spur is a rock spur 3 nautical miles east of Clinton Spur and 2 nautical miles west of Kelley Spur, on the south side of Dufek Massif, Pensacola Mountains. Mapped by United States Geological Survey from surveys and U.S. Navy air photos, 1956-66...

on the south side of Dufek Massif.