[3] Its source is high on Mount Korab, forming a steep valley which is one of the few places with alpine climate in North Macedonia.

[4] The famous Korab waterfall is located near the source of the river.

The upper course of the river flows through a typical glacial U-shaped valley.

The valley narrows at the lower part and forms a canyon.

Valley of Dlaboka River was designated as UNESCO natural heritage site on 44. session of UNESCO in July 2021, included in Ancient and Primeval Beech Forests of the Carpathians and Other Regions of Europe.