Sof Omar Caves (Paperback)

High Quality Content by WIKIPEDIA articles! At 15.1 kilometres (9.4 mi) long, Sof Omar Cave is the longest cave in Ethiopia; sources claim it is the longest system of caves in Africa and ranks as the 2nd longest in the World. It is situated in the Bale province in southeastern Ethiopia through which the Weyib River flows. It sinks at the Ayiew Maco entrance and reappears at the Holuca resurgence 1 kilometre (0.62 mi) away. Long a religious centre, it is sacred both to local traditional religions and to Islam. The caves are known for their many pillars, particularly in the "Chamber of Columns."