Shackleton Glacier (84°35′S 176°20′W / 84.583°S 176.333°W / -84.583; -176.333) is a major Antarctic glacier, over 60 nautical miles (110 km; 69 mi) long and from 5 to 10 nautical miles (9.3 to 18.5 km; 5.8 to 11.5 mi) wide, descending from the Antarctic Plateau from the vicinity of Roberts Massif and flowing north through the Queen Maud Mountains to enter the Ross Ice Shelf between Mount Speed and Waldron Spurs.

[1] The Shackleton Glacier originates in the East Antarctic Ice Sheet and flows northeast between Dismal Buttress to the northwest and Roberts Massif to the southeast.

[2] The Swithinbank Moraine extends north from Matador Mountain along the west side of the Shackleton Glacier to the Gemini Nunataks.

[2] The glacier flows north through the Queen Maud Mountains, with the Anderson Heights to its west and the Cathedral Peaks to its east.

Held, Civil Engineer Corps, USN, Public Works Officer at McMurdo Station during 1964.

Named by the Texas Tech-Shackleton Glacier Party, 1964–65, for Helen Gerasimou, polar personnel specialist with the Office of Antarctic Programs, National Science Foundation.

Named by US-ACAN after John H. Forman, Construction Mechanic, USN, a member of the McMurdo Station winter party, 1959.

Named by US-ACAN for Jacques S. Zaneveld, United States Antarctic Program (USARP) biologist at McMurdo Station, 1963–64 and 1964–65, who participated in the cruise of the USS Glacier, January-March 1965.

Named by US-ACAN for Lester F. Gillespie, USARP meteorologist at South Pole Station, winter 1962.

A tributary glacier, 14 nautical miles (26 km; 16 mi) long and 3 nautical miles (5.6 km; 3.5 mi) wide, draining the southwest slopes of the Prince Olav Mountains and flowing west to enter Shackleton Glacier just north of Cumulus Hills.

Named by US-ACAN for Harold C. Gatlin, USARP meteorologist at the South Pole Station, winter 1964.

Named by US-ACAN for Joshua P. McCuistion, Construction Driver 1st Class, USN, who was injured in an Otter airplane crash on Dec. 22, 1955, following take-off from the Cape Bird area.

A glacier draining from the north slopes of the Prince Olav Mountains, about 15 nautical miles (28 km; 17 mi) long, flowing between Longhorn Spurs and Gabbro Hills to the Ross Ice Shelf.

A massive nunatak in the upper Shackleton Glacier, about 11 nautical miles (20 km; 13 mi) southeast of Mount Black.

A small, isolated nunatak lying 5 nautical miles (9.3 km; 5.8 mi) northeast of Matador Mountain, in the east part of Shackleton Glacier.

Named by the Southern Party of NZGSAE (1961–62) for Thomas F. Taylor, topographic surveyor, USGS, who worked near the mouth of Shackleton Glacier in the summers of 1960-61 and 1961–62, and in the Pensacola Mountains, 1962–63.

Two nunataks of similar size and appearance in a prominent position near the west wall of Shackleton Glacier, just southeast of Mount Cole.

Named by F. Alton Wade, leader of the Texas Tech Shackleton Glacier Party (1962–63), after the constellation Gemini, which contains the twin stars Castor and Pollux.