Leopard Chasm
The Anou Ifflis cave (French: Anou Ifflis, Anu Ifflis) is a cave located in Tizi Ouzou in the mountains of the Kabylie. It is the deepest cave in Africa at 1,170 metres (3, 840 ft).
Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).