The Grosvenor Mountains () are a group of widely scattered mountains and

nunatak A nunatak (from Inuit ''nunataq'') is the summit or ridge of a mountain that protrudes from an ice field or glacier that otherwise covers most of the mountain or ridge. They are also called glacial islands. Examples are natural pyramidal peaks. ...

s rising above the Antarctic polar plateau east of the head of

Mill Glacier Mill Glacier is a tributary glacier, wide, flowing northwest between the Dominion Range and the Supporters Range into Beardmore Glacier, Antarctica. It was discovered by the British Antarctic Expedition, 1907–09, and named for Hugh Robert Mill ...

, extending from Mount Pratt in the north to the Mount Raymond area in the south, and from

Otway Massif Otway Massif () is a prominent, mainly ice-free massif, about 10 nautical miles (18 km) long and 7 nautical miles (13 km) wide, standing at the northwest end of the Grosvenor Mountains at the confluence of Mill Glacier and Mill Stream Gl ...

in the northwest to

Larkman Nunatak Larkman Nunatak () is a large, isolated rock nunatak, high, at the southeast end of the Grosvenor Mountains of Antarctica, east of Mauger Nunatak. It was named by the New Zealand Geological Survey Antarctic Expedition (1961–62) for a chief e ...

in the southeast. They were discovered by Rear Admiral

Richard E. Byrd Richard Evelyn Byrd Jr. (October 25, 1888 – March 11, 1957) was an American naval officer and explorer. He was a recipient of the Medal of Honor, the highest honor for valor given by the United States, and was a pioneering American aviator, p ...

on the

Byrd Antarctic Expedition Richard Evelyn Byrd Jr. (October 25, 1888 – March 11, 1957) was an American naval officer and explorer. He was a recipient of the Medal of Honor, the highest honor for valor given by the United States, and was a pioneering American aviator, p ...

flight to the

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 ...

in November 1929, and named by him for

Gilbert Hovey Grosvenor Gilbert Hovey Grosvenor (; October 28, 1875 – February 4, 1966), father of photojournalism, was the first full-time editor of the ''National Geographic'' magazine (1899–1954). Grosvenor is credited with having built the magazine into the iconi ...

, President of the

National Geographic Society The National Geographic Society (NGS), headquartered in Washington, D.C., United States, is one of the largest non-profit scientific and educational organizations in the world. Founded in 1888, its interests include geography, archaeology, and ...

, which helped finance the expedition. Several peaks near Mount Raymond were apparently observed 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 of ...

in 1908, although they were then considered to be a continuation of the

Dominion Range The Dominion Range () is a broad mountain range, about long, forming a prominent salient at the juncture of the Beardmore and Mill glaciers in Antarctica. The range is part of the Queen Maud Mountains The range was discovered by the British Ant ...

Features

Geographical features include:

* Aitken Nunatak * Block Peak *

Hayman Nunataks The Hayman Nunataks () are a small group of isolated nunataks at the eastern end of the Grosvenor Mountains in Antarctica, north of Larkman Nunatak. They were named by the Advisory Committee on Antarctic Names for Noel R. Hayman, a United States ...

* Hayman * Johnston Heights *

Mauger Nunatak Mauger Nunatak () is a nunatak, high, about northeast of Mount Block in the Grosvenor Mountains of Antarctica. It was named by the New Zealand Geological Survey Antarctic Expedition (1961–62) for Clarence Charles Mauger, a crew member of the ...

* Mount Block * Mount Bumstead * Mount Cecily * Mount Pratt * Mount Raymond *

References

Mountain ranges of the Ross Dependency Dufek Coast {{DufekCoast-geo-stub