It originates from the Chiantar glacier, located at the border of Gilgit Baltistan and Chitral in Pakistan.

At Arandu it enters into Afghanistan, where it is called the Kunar River.

[1] It later merges with Kabul river in Nangahar Province of Afghanistan.

The river system is fed by melting glaciers and snow of the Hindu Kush mountains.

[3] Around 60% to 70% of annual discharge of Kunar river originates from Chitral.