FAQ

What is the deepest canyon?

Yarlung Tsangpo Grand Canyon in China at 5,382 m deep. The Kali Gandaki Gorge in Nepal is the deepest gorge when measured from river to summit at 5,571 m.

What is the largest canyon?

Grand Canyon is the most famous at 446 km long. Yarlung Tsangpo is the longest at 504 km. Fish River Canyon in Namibia is the largest in Africa at 160 km.

What is a slot canyon?

A narrow canyon carved by water through soft rock, typically sandstone. They can be less than 1 m wide with walls over 100 m tall. Flash floods are extremely dangerous in slot canyons.

How do canyons form?

Most form by river erosion over millions of years. Tectonic uplift raises the land while rivers cut down. Some form from glacial erosion (U-shaped valleys), volcanic activity, or tectonic faulting.