Located in the central and inner Tien-Shan region, the Borkoldoy Too (Kyrgyz: Борколдой тоо) is bordered by the valleys of the Karakol, Chakyrykorum, Uzengy-Kuushtuyuk, and Borkoldoy rivers in the north, and the Chon Uzengy-Kuus, Kichi Uzengy-Kuus, and Bozjalpak rivers in the south.

Stretching for 90 kilometers from the Köbürgentü Pass (elevation 3,907 m) to the source of the Bozjalpak River, it lies along an east-west axis.

[1] [2] The ridge consists of upper Silurian and lower Carboniferous limestone, marble, metamorphosed schists, basalt, porphyry, diabase, red Carboniferous rocks, sandstone, and other metamorphic formations.

These rocks were uplifted along tectonic faults during the Neogene and Anthropogene periods, forming an anticline structure extending along an east-west direction.

The terrain is characterized by distinct tiers: The landscape changes according to elevation, following the principles of vertical zonation: