The Deepest Canyons in the World

Yarlung Tsangpo China 5,382 m is the deepest. Kali Gandaki Nepal 5,571 m from river to summit. Cotahuasi Peru 3,535 m.

Colca Peru 3,400 m. Tiger Leaping Gorge China 3,790 m. Grand Canyon USA 1,857 m.

Most of the deepest canyons are in the Himalayas and Andes where young mountains provide extreme relief..