The Queen Maud Mountains are a major group of

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 ...

s, ranges and subordinate features of the Transantarctic Mountains, lying between the

Beardmore Beardmore can refer to: *Andrew Beardmore, better known as Andy Moor, English trance DJ, producer and remixer * Bob Beardmore, British rugby league footballer * Bud Beardmore (1939–2016), American lacrosse coach * Jim Beardmore, Former All-Ameri ...

and

Reedy Glacier The Reedy Glacier is a major glacier in Antarctica, over 160 km (100 mi) long and from 10 to 19 km (6 to 12 mi) wide, descending from the polar plateau to the Ross Ice Shelf between the Michigan Plateau and Wisconsin Range, an ...

s and including the area from the head of the

Ross Ice Shelf The Ross Ice Shelf is the largest ice shelf of Antarctica (, an area of roughly and about across: about the size of France). It is several hundred metres thick. The nearly vertical ice front to the open sea is more than long, and between h ...

to the Antarctic Plateau in

Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest cont ...

. Captain

Roald Amundsen Roald Engelbregt Gravning Amundsen (, ; ; 16 July 1872 – ) was a Norwegian explorer of polar regions. He was a key figure of the period known as the Heroic Age of Antarctic Exploration. Born in Borge, Østfold, Norway, Amundsen beg ...

and his

South Pole The South Pole, also known as the Geographic South Pole, Terrestrial South Pole or 90th Parallel South, is one of the two points where Earth's axis of rotation intersects its surface. It is the southernmost point on Earth and lies antipod ...

party ascended

Axel Heiberg Glacier The Axel Heiberg Glacier in Antarctica is a valley glacier, long, descending from the high elevations of the Antarctic Plateau into the Ross Ice Shelf (nearly at sea level) between the Herbert Range and Mount Don Pedro Christophersen in the Q ...

near the central part of this group in November 1911, naming these mountains for the Norwegian queen Maud of Wales. Despite the name, they are not located within Queen Maud Land. Elevations bordering the

Beardmore Glacier The Beardmore Glacier in Antarctica is one of the largest valley glaciers in the world, being long and having a width of . It descends about from the Antarctic Plateau to the Ross Ice Shelf and is bordered by the Commonwealth Range of the Que ...

, at the western extremity of these mountains, were observed by the British expeditions led by

Ernest Shackleton Sir Ernest Henry Shackleton (15 February 1874 – 5 January 1922) was an Anglo-Irish Antarctic explorer who led three British expeditions to the Antarctic. He was one of the principal figures of the period known as the Heroic Age o ...

(1907–09) and Robert Falcon Scott (1910-13), but the mountains as a whole were mapped by several American expeditions led by Richard Evelyn Byrd (1930s and 1940s), and United States Antarctic Program (USARP) and New Zealand Antarctic Research Program (NZARP) expeditions from the 1950s through the 1970s.

Features

Geographical features include:

Barton Mountains

Bush Mountains

Commonwealth Range

Dominion Range

Gothic Mountains

Grosvenor Mountains

Hays Mountains

Herbert Range

Hughes Range

La Gorce Mountains

Prince Olav Mountains

Quarles Range

Rawson Mountains

Supporters Range

Tapley Mountains

Other features

* Amphibole Peak * Amundsen Glacier *

Amundsen Icefall Amundsen Icefall () is a steep and turbulent icefall where the Axel Heiberg Glacier descends from the polar plateau between Mount Fridtjof Nansen and Mount Don Pedro Christophersen, in the Queen Maud Mountains of Antarctica. Named by the Southern ...

Anderson Ridge Anderson Ridge () is a ridge long, rising above the middle of the head of Koerwitz Glacier in the Queen Maud Mountains. It was mapped by the United States Geological Survey from ground surveys and from U.S. Navy air photos, 1960–64, and nam ...

Barracouta Ridge Barracouta Ridge () is a long jagged ridge which terminates on the north in Webster Knob. The ridge is an extension from the base of Mount Fridtjof Nansen into the head of Strom Glacier, Queen Maud Mountains. It was discovered and visited in 1929 by ...

Bartlett Bench Bartlett Bench is a bare, flat benchlike elevation which overlooks Bartlett Glacier from the east, located south-southwest of Mount Ruth in the Queen Maud Mountains. It was mapped by the U.S. Geological Survey from surveys and from U.S. Navy air ...

Beck Peak Beck Peak () is a peak, high, on the east flank of Amundsen Glacier, standing northwest of Mount Stubberud on the ridge descending from the northern Nilsen Plateau, Queen Maud Mountains. This peak appears to have been first mapped from air a ...

Breyer Mesa Breyer Mesa () is an ice-covered mesa, long and rising over , standing between Christy Glacier and Tate Glacier on the west side of Amundsen Glacier, in the Queen Maud Mountains. It was discovered by R. Admiral Byrd on the South Pole flight of N ...

Butchers Spur Butchers Spur () is a high ice-covered spur which descends southwestward from Mount Don Pedro Christophersen to the polar plateau. This feature on the south margin of the Queen Maud Mountains is the location of Roald Amundsen's "Butcher Shop." It ...

Bynum Peak Bynum Peak () is a rock peak southeast of Mount Finley, overlooking the north side of McGregor Glacier in the Queen Maud Mountains. It was named by the Advisory Committee on Antarctic Names for Gaither D. Bynum, a United States Antarctic Resea ...

Cascade Bluff Cascade Bluff () is a low, mainly ice-covered bluff that forms the southwest wall of Mincey Glacier in the Queen Maud Mountains in Antarctica. The feature was so named by the Texas Tech Shackleton Glacier Expedition The Texas Tech Shackleton Glaci ...

Cenotaph Hill Cenotaph Hill () is a rock peak, high, on the ridge separating the heads of Strom Glacier and Liv Glacier in the Queen Maud Mountains. The peak is north-northeast of the summit of Mount Fridtjof Nansen. It was visited by the Southern Party of t ...

* Chevron Rocks * Christy Glacier * Collinson Ridge * Coloured Peak * Cowie Dome * Crack Bluff * Crilly Hill * Cunningham Glacier * Curtis Peaks * Davis Hills *

Dick Glacier Dick Glacier () is a tributary glacier, long, flowing west from Mount Campbell to enter Shackleton Glacier just north of Taylor Nunatak, in the Queen Maud Mountains of Antarctica. It was named by the Advisory Committee on Antarctic Names for L ...

* Dunn Spur *

Epidote Peak Epidote Peak () is a prominent rock peak just north of the mouth of Held Glacier, lying along the west side of Shackleton Glacier in the Queen Maud Mountains of Antarctica. The Texas Tech Shackleton Glacier Expedition, 1964–65, named it for the ...

* Epler Glacier * Erb Range * Erickson Glacier * Faulkner Escarpment * Feeney Col * Fernette Peak *

Ford Spur Ford Spur () is a prominent spur which marks the southwestern extremity of Haynes Table, and the confluence of Keltie Glacier and Brandau Glacier in the Queen Maud Mountains of Antarctica. It was named by the New Zealand Geological Survey Antar ...

* Forman Glacier *

Fram Mesa Fram Mesa () is a high, ice-capped mesa, long and wide, that forms the northeastern portion of Nilsen Plateau in the Queen Maud Mountains of Antarctica. The feature may have been seen by Amundsen in 1911, and it was observed and partially mapped ...

* Fulgham Ridge * Fuller Dome * Garcia Point * Gardner Ridge *

Gerasimou Glacier Gerasimou Glacier () is a steep-walled tributary glacier, long, entering the west side of Shackleton Glacier opposite the Gemini Nunataks, in the Queen Maud Mountains of Antarctica. It was named by the Texas Tech Shackleton Glacier Expedition, 19 ...

* Gjelsvik Peak * Goodale Glacier * Gray Peak *

Gregory Ridge Gregory Ridge () is a narrow rock ridge descending westward from northern Fram Mesa in the Queen Maud Mountains of Antarctic and terminating at the east side of Amundsen Glacier. It was mapped by the United States Geological Survey from surveys and ...

* Haas Glacier *

Hansen Spur Hansen Spur () is a spur, long, descending from the northwest side of Nilsen Plateau, in the Queen Maud Mountains of Antarctica, and terminating at the edge of Amundsen Glacier just east of the Olsen Crags. It was mapped by the United States Geol ...

* Hare Peak *

Held Glacier Held Glacier () is a tributary glacier, , flowing east from the Anderson Heights to enter Shackleton Glacier just south of Epidote Peak, in the Queen Maud Mountains of Antarctica. It was named by the Advisory Committee on Antarctic Names for Lieut ...

Holdsworth Glacier Holdsworth Glacier () is a tributary glacier about long, flowing northeast from Fuller Dome to enter the southeast side of Bartlett Glacier, in the Queen Maud Mountains of Antarctica. It was named by the Advisory Committee on Antarctic Names for ...

Howe Glacier Howe Glacier () is a short tributary glacier draining west into Scott Glacier immediately north of Mount Russell, in the Queen Maud Mountains of Antarctica. It was mapped by the United States Geological Survey from surveys and U.S. Navy air p ...

Husky Dome Husky Dome () is a snow dome rising to , marking the highest point of the Husky Heights, between the heads of Brandau Glacier and Ramsey Glacier in the Queen Maud Mountains of Antarctica. It was named by the New Zealand Geological Survey Antarctic E ...

Husky Heights The Husky Heights () are relatively flat, ice-covered heights southeast of Haynes Table, overlooking the head of Brandau Glacier in the Queen Maud Mountains of Antarctica. They were named by the Advisory Committee on Antarctic Names The Advisory C ...

* June Nunatak * Keel Hill * Kitching Ridge * Kranz Peak *

Kutschin Peak Kutschin Peak () is a prominent peak, high, on the west slope of the Nilsen Plateau, standing south of Mount Kristensen, at the east side of Amundsen Glacier, in the Queen Maud Mountains of Antarctica. It was named by the Advisory Committee on A ...

* Layman Peak *

Lee Peak Lee Peak () is a peak along the west side of Scott Glacier, north of Mount Denauro, in the Queen Maud Mountains of Antarctica. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1960–64, and was named ...

* Lindstrøm Peak *

Liv Glacier Liv Glacier is a steep valley glacier, long, emerging from the Antarctic Plateau just southeast of Barnum Peak and draining north through the Queen Maud Mountains to enter Ross Ice Shelf between Mayer Crags and Duncan Mountains. It was discover ...

McCuistion Glacier Shackleton Glacier is a major Antarctic glacier, over long and from 8 to 16 km (5 to 10 mi) wide, descending from the polar plateau from the vicinity of Roberts Massif and flowing north through the Queen Maud Mountains to enter the Ro ...

* McDonough Nunataks *

McNally Peak McNally Peak () is a peak high, standing west of Mount Farley, near the southeast side of Holdsworth Glacier, in the Queen Maud Mountains of Antarctica. It was named by the Advisory Committee on Antarctic Names for Commander Joseph John McNally ...

Moffett Glacier Moffett Glacier () is a tributary glacier, long, flowing east from Rawson Plateau to enter Amundsen Glacier just south of Mount Benjamin, in the Queen Maud Mountains of Antarctica. it was discovered by Rear Admiral Richard E. Byrd on the South Po ...

Moraine Canyon Moraine Canyon () is a canyon with very steep rock walls, long, indenting northern Nilsen Plateau just west of Fram Mesa, in the Queen Maud Mountains of Antarctica. It was mapped by the United States Geological Survey from surveys and U.S. Navy ai ...

Mount Alice Gade Mount Alice Gade () is a mainly ice-covered mountain over 3,400 m, marking the northeast extremity of the Rawson Plateau in the Queen Maud Mountains. It was discovered in November 1911 by Captain Roald Amundsen, and named by him for one of the da ...

* Mount Amherst *

Mount Andrews Mount Andrews () is a mountain, high, standing between Mount Danforth and Mount Gerdel on the south side of Albanus Glacier, in the Queen Maud Mountains of Antarctica. The mountain was mapped by the United States Geological Survey from surve ...

* Mount Behling * Mount Benjamin *

Mount Bennett Mount Bennett is a prominent mountain (3,090 m) about 3 nautical miles (6 km) east of Mount Boyd, surmounting the west part of Anderson Heights, Queen Maud Mountains. Discovered by the United States Antarctic Service The United States A ...

Mount Bjaaland Mount Bjaaland () is a rock peak (2,675 m), the southeasternmost summit of the massif at the head of Amundsen Glacier, in the Queen Maud Mountains. In November 1911, a number of mountain peaks in this general vicinity were observed and rudely pos ...

Mount Blackburn Mount Blackburn is the highest peak in the Wrangell Mountains of Alaska in the United States. It is the fifth-highest peak in the United States and the twelfth-highest peak in North America. The mountain is an old, eroded shield volcano, the se ...

* Mount Blood *

Mount Bowlin Mount Bowlin () is a mountain, high, standing between the mouths of Van Reeth Glacier and Robison Glacier in the Queen Maud Mountains. It was discovered in December 1934 by the Byrd Antarctic Expedition geological party under Quin Blackburn, and ...

* Mount Bowser * Mount Clarke * Mount Clough * Mount Cole * Mount Cope *

Mount Czegka Mount Czegka () is a mountain, high, on the east side of Scott Glacier, just north of the terminus of Van Reeth Glacier, in the Queen Maud Mountains. It was discovered in December 1934 by the Byrd Antarctic Expedition geological party under Quin ...

Mount Danforth Mount Danforth () is an ice-free, pyramidal mountain over high, standing immediately east of Mount Zanuck on the south side of Albanus Glacier, in the Queen Maud Mountains. It was discovered in December 1934 by the Byrd Antarctic Expedition ge ...

Mount Deardorff Mount Deardorff () is a prominent peak, high, surmounting the massive ridge dividing the heads of Moffett Glacier and Steagall Glacier in the Queen Maud Mountains. It was first mapped from ground surveys and air photos by the Byrd Antarctic Exp ...

Mount Denauro Mount Denauro () is a mountain, high, standing on the west side of Scott Glacier, 3 nautical miles (6 km) south of Lee Peak, in the Queen Maud Mountains. It was mapped by the United States Geological Survey from surveys and U.S. Navy air p ...

* Mount Dockery * Mount Don Pedro Christophersen *

Mount Ehrenspeck Mount Ehrenspeck () is one of the Cathedral Peaks, a group of summits that form a portion of the wall on the east side of Shackleton Glacier, in the Queen Maud Mountains of Antarctica. This peak, which is high, stands southwest of Mount Kenney ...

* Mount Ellsworth *

Mount Fairweather Mount Fairweather (officially gazetted as Fairweather Mountain in Canada but referred to as Mount Fairweather), is the highest mountain in the Canadian province of British Columbia, with an elevation of . It is located east of the Pacific Oce ...

Mount Farley Mount Farley () is a conspicuous rock peak, high, standing at the west side of Scott Glacier (Transantarctic Mountains), Scott Glacier, east of McNally Peak, in the Queen Maud Mountains of Antarctica. It was discovered in December 1934 by the Byr ...

* Mount Ferguson * Mount Fridtjof Nansen * Mount Gardiner *

Mount Hanssen Mount Hanssen () is an ice-covered mountain distinguished by a sharp peak, high, standing at the southernmost point of Rawson Plateau in the Queen Maud Mountains of Antarctica. It was discovered by Captain Roald Amundsen while ''en route'' to ...

Mount Harkness Mount Harkness () is a mountain, high, standing south of the Organ Pipe Peaks and forming part of the east wall of Scott Glacier, in the Queen Maud Mountains of Antarctica. It was discovered in December 1934 by the Byrd Antarctic Expedition ge ...

* Mount Hassel * Mount Hermanson *

Mount Innes-Taylor Mount Innes-Taylor () is a mountain, high, standing north of Mount Saltonstall at the south side of Poulter Glacier, in the Queen Maud Mountains of Antarctica. It was discovered in December 1934 by the Byrd Antarctic Expedition geological part ...

* Mount Johnstone * Mount Kendrick *

Mount Kristensen Mount Kristensen () is a mountain, high, standing on the west side of Nilsen Plateau southeast of Lindstrom Peak, in the Queen Maud Mountains of Antarctica. It was named by the Advisory Committee on Antarctic Names in 1967 for H. Kristensen, a ...

* Mount Maloney *

Mount McKercher Mount McKercher () is a mountain, high, standing at the east side of Scott Glacier, just north of the mouth of Griffith Glacier, in the Queen Maud Mountains of Antarctica. It was discovered in December 1934 by the Byrd Antarctic Expedition geolo ...

Mount Meeks Mount Meeks () is a mountain, high, surmounting the rocky divide between Griffith Glacier and Howe Glacier, in the Queen Maud Mountains of Antarctica. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 196 ...

* Mount Nansen * Mount Nelson *

Mount Noville Mount Noville () is a mountain, 2,410 m, standing between Van Reeth and Robison Glaciers and 4 nautical miles (7 km) east of Mount Bowlin, in the Queen Maud Mountains. Discovered by the geological party under Quin Blackburn of the Byrd An ...

* Mount Orndorff *

Mount Prestrud Mount Prestrud () is an Antarctic peak over 2,400 m which rises from the southwestern part of the massif at the head of Amundsen Glacier, in the Queen Maud Mountains. In November 1911, a number of mountain peaks in this general vicinity were ob ...

* Mount Przywitowski * Mount Pulitzer * Mount Redifer * Mount Riley * Mount Roland * Mount Rosenwald * Mount Russell * Mount Ruth *

Mount Saltonstall Mount Saltonstall () is a tabular mountain, 2,975 m, standing 1 nautical mile (1.9 km) south of Mount Innes-Taylor at the south side of Poulter Glacier, in the Queen Maud Mountains, Antarctica. Discovered in December 1934 by the Byrd Antarcti ...

* Mount Schevill *

Mount Stubberud Mount Stubberud () is a mountain, 2,970 m, standing 2 nautical miles (3.7 km) southeast of Beck Peak on a ridge from the north side of Nilsen Plateau, in the Queen Maud Mountains. Mapped by United States Geological Survey (USGS) from surveys ...

Mount Suarez Mount Suarez () is a mountain, 2,360 m, standing just east of Mount Noville on the divide between Van Reeth and Robison Glaciers, in the Queen Maud Mountains. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, ...

* Mount Sundbeck * Mount Toth * Mount Valinski * Mount Verlautz * Mount Warden * Mount Wasko * Mount Wilbur *

Mount Wisting Mount Wisting () is a rock peak (2,580 m), the northwesternmost summit of the massif at the head of Amundsen Glacier in the Queen Maud Mountains. In November 1911, a number of mountain peaks in this general vicinity were observed and positioned b ...

Muck Glacier Muck Glacier () is a glacier between Campbell Cliffs and Sullivan Ridge in the Queen Maud Mountains. It flows generally northward from Husky Heights, and then eastward around the north end of Sullivan Ridge to enter Ramsey Glacier. Named by Adviso ...

* Munizaga Peak *

Nilsen Plateau Nilsen Plateau () is a rugged, ice-covered plateau in Antarctica. When including Fram Mesa, the plateau is about 30 nautical miles (60 km) long and 1 to 12 nautical miles (22 km) wide, rising to 3,940 m between the upper reaches of the Am ...

* Norway Glacier * Olds Peak * Olsen Crags * Pallid Peak * Parker Bluff * Patterson Peak *

Pegmatite Peak Pegmatite Peak () is a peak (790 m) along the west side of Koerwitz Glacier, about midway between the main summits of Medina Peaks and Mount Salisbury, in the Queen Maud Mountains. First mapped by United States Geological Survey (USGS) from survey ...

* Pendant Ridge *

Polaris Peak Polaris Peak () is a rounded peak (970 m) rising 4 nautical miles (7 km) southwest of Mount Roth in the Gabbro Hills, Queen Maud Mountains. So named by the Southern Party of New Zealand Geological Survey Antarctic Expedition The New Zealand ...

Poulter Glacier Poulter Glacier is a glacier in Antarctica, about 180 miles from the South Pole at an elevation of 8,000 feet. It flows east from the Antarctic Plateau past the Rawson Mountains in the Queen Maud Mountains and joins with the Scott Glacier. It was ...

* Price Bluff * Rawson Mountains *

Rawson Plateau The Rawson Plateau is an ice-covered plateau, long and high, rising between the heads of Bowman Glacier, Moffett Glacier and Steagall Glacier in the Queen Maud Mountains. It was mapped by the Byrd Antarctic Expedition (ByrdAE), 1928–30, an ...

Red Raider Rampart Red Raider Rampart () is a rugged ice and rock wall just east of the juncture of the Gatlin and McGregor Glaciers, in the Queen Maud Mountains. Named by the Texas Tech Shackleton Glacier Expedition (1964–65) for the student body of Texas Tech Uni ...

* Reid Spur * Roaring Cliffs * Robinson Bluff *

Sagehen Nunataks Sagehen Nunataks () is a roughly triangular group of nunataks rising to about above base level on the east side of Holdsworth Glacier, north of McNally Peak, in the Queen Maud Mountains, Antarctica. They were mapped by United States Geological ...

* Schmidt Peak * Scudder Mountain *

Seabee Heights Seabee Heights is a rugged snow-covered heights rising to in the Queen Maud Mountains. The heights are about long and wide and are bounded by the flow of the DeGanahal, LaVergne and Liv Glaciers. Named by Advisory Committee on Antarctic Names ...

Shackleton Glacier Shackleton Glacier is a major Antarctic glacier, over long and from 8 to 16 km (5 to 10 mi) wide, descending from the polar plateau from the vicinity of Roberts Massif and flowing north through the Queen Maud Mountains to enter the Ro ...

* Sheridan Bluff *

Simmonds Peak Simmonds Peak is a tall rock peak standing 4 miles (6 km) south of Mount Dort on the east side of Amundsen Glacier in the Queen Maud Mountains. It was mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos ...

* Simplicity Hill *

Steagall Glacier Steagall Glacier is a tributary glacier, 15 nautical miles (28 km) long, draining the east slopes of Rawson Plateau between Mount Alice Gade and Mount Deardorff and flowing north to enter Bowman Glacier, in the Queen Maud Mountains. First ma ...

Sverre Hassel Sverre Helge Hassel (30 July 1876 – 6 June 1928) was a Norwegian polar explorer and one of the first five people to reach the South Pole. Biography Sverre Hassel was born in Christiania (now Oslo), Norway. As soon as he was old enough ...

* Szabo Bluff * Tate Glacier *

Taylor Nunatak Taylor Nunatak () is a large nunatak at the east side of Shackleton Glacier, just south of the terminus of Dick Glacier, in the Queen Maud Mountains. Named by the Southern Party of New Zealand Geological Survey Antarctic Expedition (NZGSAE) (1961� ...

* Taylor Ridge * Teller Peak * Thomas Spur *

Thrinaxodon Col Thrinaxodon Col () is a rock col 2 nautical miles (3.7 km) southeast of Rougier Hill. The col is along the ridge that trends southward from Rougier Hill in the Cumulus Hills, Queen Maud Mountains. The name was proposed to Advisory Committee o ...

* Titan Dome * Tongue Peak *

Van Reeth Glacier Van Reeth Glacier () is a tributary glacier about 20 nautical miles (37 km) long, draining westward to Scott Glacier between Mounts Blackburn and Bowlin, in the Queen Maud Mountains. It was discovered in December 1934 by the Byrd Antarctic E ...

Waldron Spurs Waldron Spurs () is a group of rocky spurs at the east side of the terminus of Shackleton Glacier in the foothills of the Queen Maud Mountains. Discovered by the United States Antarctic Service (USAS) (1939–41), and named by Advisory Committee on ...

Watson Escarpment Watson Escarpment () is a major escarpment in the Queen Maud Mountains, trending northward along the east margin of Scott Glacier (Transantarctic Mountains), Scott Glacier, then eastward to Reedy Glacier where it turns southward along the glacier' ...

* Waugh Peak * Webster Knob * Witalis Peak *

Yeats Glacier Yeats Glacier () is a tributary glacier about 8 miles (13 km) long, flowing west from the north side of Mount Finley to enter Shackleton Glacier just north of Lockhart Ridge, in the Queen Maud Mountains. Named by F. Alton Wade, leader of t ...

References

{{Authority control Transantarctic Mountains Mountain ranges of Marie Byrd Land Mountain ranges of the Ross Dependency