Mago River (or Magi River) is a river of southern

Ethiopia Ethiopia, , om, Itiyoophiyaa, so, Itoobiya, ti, ኢትዮጵያ, Ítiyop'iya, aa, Itiyoppiya officially the Federal Democratic Republic of Ethiopia, is a landlocked country in the Horn of Africa. It shares borders with Eritrea to the ...

, entirely located in the

Debub Omo Zone South Omo Zone (or Debub Omo Zone) is a List of zones of Ethiopia, zone in the Ethiopian Southern Nations, Nationalities and Peoples' Region (SNNPR). Debub Omo is bordered on the south by Kenya, on the southwest by the South Sudan, on the west by ...

of the

Southern Nations, Nationalities, and People's Region The Southern Nations, Nationalities, and Peoples' Region (often abbreviated as SNNPR; am, የደቡብ ብሔር ብሔረሰቦችና ሕዝቦች ክልል, Yädäbub Bḥer Bḥeräsäbočna Hzboč Kllə) is a regional state in southwestern E ...

. It joins the

Neri River Neri River is a river in southern Ethiopia. It is a tributary of the Mago River, which itself is a tributary of the Omo River. See also *List of rivers of Ethiopia This is a list of streams and rivers in Ethiopia, arranged geographically by dr ...

to form the

Usno River The Usno River is a tributary of the Omo River in Ethiopia. Formed by the confluence of the Magi and the Neri rivers, it flows south past the Nyalibong Hills before entering the Omo at . Almost all of the Usno's course is inside the boundaries of ...

, a tributary of the

Omo River The Omo River (also called Omo-Bottego) in southern Ethiopia is the largest Ethiopian river outside the Nile Basin. Its course is entirely contained within the boundaries of Ethiopia, and it empties into Lake Turkana on the border with Kenya. The ...