Overview
The Awash rises south of Mount Warqe, west of Addis Ababa in the woreda of Dandi, close to the town of Ginchi, Mirab (West) Shewa Zone, Oromia. Thence the Awash flows south to loop around Mount Zuqualla in an easterly then northeasterly direction, passing the Awash National Park, and joined on its left bank by its chief affluent, the Germama (or Kasam) River, before turning northeast at approximately 11° N 40° 30' E as far north as 12° before turning completely east to reach lake Gargori.
According to materials published by the Ethiopian Central Statistical Agency, the Awash River is 1200 kilometers long. The author of the 1911 Encyclopædia Britannica article describes its middle portion as "a copious stream nearly 200 feet wide and 4 feet deep in the dry season, and during the floods rising 50 or 60 feet above low-water mark, thus inundating the plains for many miles along both its banks."
Other tributaries of the Awash include (in order upstream): the Logiya, Mille, Borkana, Ataye, Hawadi, Kabenna and Durkham Rivers. Towns and cities along its course include Metehara, Awash, Gewane and Asaita.
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