Administratively the range is part of the Chukotka Autonomous Okrug of the Russian Federation.

[4] This mountain chain runs in a roughly north/south direction for about 300 kilometres (190 mi), extending both north and south of the Arctic Circle.

It is limited to the west by the Anadyr Highlands with the Osinov Range, and the Belaya River with its tributary Bolshaya Osinovaya.

[5] The highest point of the Pekulney Range is 1,362 metres (4,469 ft) high Kolyuchaya peak.

[4] There are four cirque glaciers on the mountains of the range, as well as some perennial snow fields, with a total area not exceeding 4 square kilometres (1.5 sq mi).