The Colbert Mountains () are a group of isolated mountains with several rounded snow-covered summits, the highest at , overlooking Handel Ice Piedmont between

Haydn Inlet Haydn Inlet () is an ice-filled inlet indenting the west coast of Alexander Island, Antarctica, lying between Mozart Ice Piedmont and Handel Ice Piedmont. Schubert Inlet lies to the south and the Lassus Mountains are immediately north. Haydn Inlet ...

and

Schubert Inlet Schubert Inlet () is an ice-filled inlet, 14 nautical miles (26 km) long and 5 nautical miles (9 km) wide, indenting the west coast of Alexander Island lying between the Colbert north of the inlet and the Walton Mountains south of the ...

in the west central part of

Alexander Island Alexander Island, which is also known as Alexander I Island, Alexander I Land, Alexander Land, Alexander I Archipelago, and Zemlja Alexandra I, is the largest island of Antarctica. It lies in the Bellingshausen Sea west of Palmer Land, Antar ...

. It was first seen and photographed from a distance by

Lincoln Ellsworth Lincoln Ellsworth (May 12, 1880 – May 26, 1951) was a polar explorer from the United States and a major benefactor of the American Museum of Natural History. Biography Lincoln Ellsworth was born on May 12, 1880, to James Ellsworth and Eva ...

on his trans-Antarctic flight of November 23, 1935, and partially mapped from these photos by

W.L.G. Joerg Wolfgang Louis Gottfried Joerg, better known as W. L. G. Joerg (February 6, 1885 – January 7, 1952) was an American geographer, and in particular an expert in the geography of the Arctic and Antarctic regions, who exercised broad influence on the ...

. It was resighted and photographed from the air by the

United States Antarctic Service The United States Antarctic Program (or USAP; formerly known as the United States Antarctic Research Program or USARP and the United States Antarctic Service or USAS) is an organization of the United States government which has presence in the A ...

, 1939–41, and by the

Ronne Antarctic Research Expedition The Ronne Antarctic Research Expedition (RARE) was an expedition from 1947–1948 which researched the area surrounding the head of the Weddell Sea in Antarctica. Background Finn Ronne led the RARE which was the final privately sponsored ex ...

(RARE) 1947–48, under

Finn Ronne Finn Ronne (December 20, 1899 – January 12, 1980) was a Norwegian-born U.S. citizen and Antarctic explorer. Background Finn Ronne was born in Horten, in Vestfold county, Norway. His father, Martin Rønne (1861–1932), was a polar explorer ...

, who named it for R. Admiral Leo O. Colbert, head of the

U.S. Coast and Geodetic Survey The National Geodetic Survey (NGS) is a United States federal agency that defines and manages a national coordinate system, providing the foundation for transportation and communication; mapping and charting; and a large number of applications ...

, which furnished equipment for the expedition. It was remapped in detail from RARE air photos by

D. Searle D. or d. may refer to, usually as an abbreviation: * Don (honorific), a form of address in Spain, Portugal, Italy, and their former overseas empires, usually given to nobles or other individuals of high social rank. * Date of death, as an abbreviati ...

of the

Falkland Islands Dependencies Survey The British Antarctic Survey (BAS) is the United Kingdom's national polar research institute. It has a dual purpose, to conduct polar science, enabling better understanding of global issues, and to provide an active presence in the Antarctic on ...

in 1960.

References

* Mountain ranges of Alexander Island {{AlexanderIsland-geo-stub