[1] In 1932 Soviet geologist Ivan Atlasov, professor of the Arctic and Antarctic Research Institute, carried out geological surveys in Yakutia.

He explored and mapped most of the Orulgan Range between the 69th and 67th parallel north, correctly determining the direction and total length of the mountain chain.

It is located in its northern section, running along the main ridge, stretching southwards to the south of the Kharaulakh Range.

[1][3] The highest point of the Orulgan Range is an unnamed 2,283-metre (7,490 ft)-high peak located in its central section.

[1][4][5] The Orulgan Range is deeply cut by riverine intermontane basins with the Undyulyung, Uel Siktyakh, Begidyan, Sobolokh-Mayan, Menkere, Dzhardzhan, Byosyuke, Tikyan, and other right tributaries of the Lena River flowing westwards.