The Betekhtin Range is a mountain range

Mountain range

A mountain range is a single, large mass consisting of a succession of mountains or narrowly spaced mountain ridges, with or without peaks, closely related in position, direction, formation, and age; a component part of a mountain system or of a mountain chain...

 about 14 miles (22.5 km) long, forming the southern arm of the Humboldt Mountains

Humboldt Mountains

Humboldt Mountains is a group of mountains immediately west of the Petermann Ranges, forming the westernmost portion of the Wohlthat Mountains in Queen Maud Land, Antarctica. They were discovered and mapped by the Third German Antarctic Expedition , led by Capt...

 in Queen Maud Land

Queen Maud Land

Queen Maud Land is a c. 2.7 million-square-kilometre region of Antarctica claimed as a dependent territory by Norway. The territory lies between 20° west and 45° east, between the British Antarctic Territory to the west and the Australian Antarctic Territory to the east. The latitudinal...

. It was discovered and plotted from air photos by the Third German Antarctic Expedition, 1938–39, mapped from air photos and from surveys by the Sixth Norwegian Antarctic Expedition

Sixth Norwegian Antarctic Expedition

The sixth Norwegian Antarctic Expedition was a scientific expedition to Queen Maud Land, intended as part of Norway's participation in the International Geophysical Year, 1957-58. The crew set sail from Oslo on board two whaling ships, the Polarsirkel and Polarbjørn, on November 10, 1956. They...

, 1956–60, and remapped by the Soviet Antarctic Expedition

Soviet Antarctic Expedition

The Soviet Antarctic Expedition was part of the Arctic and Antarctic Research Institute of the Soviet Committee on Antarctic Research of the Academy of Sciences of the USSR....

, 1960–61, and named after Soviet Academician A.G. Betekhtin.