The Adda River is a river of

South Sudan South Sudan (), officially the Republic of South Sudan, is a landlocked country in East Africa. It is bordered on the north by Sudan; on the east by Ethiopia; on the south by the Democratic Republic of the Congo, Uganda and Kenya; and on the ...

, a tributary of the

Bahr al-Arab The Bahr al-Arab () or Kiir River (Dinka) is a river which flows approximately through the southwest of Sudan and marks part of its international border with South Sudan. It is part of the Nile river system, being a tributary of Bahr el Ghazal, ...

. The river flows through the

Western Bahr el Ghazal Western Bahr el Ghazal is a state in South Sudan. It has an area of and as of 2020 has estimated 600,000 in population. It is part of the Bahr el Ghazal region. Its capital is Wau. The state shared international borders with Sudan to the north ...

. The average elevation is above sea level. It joins the Umbelasha River opposite the town of Radom, Sudan, to form the Bahr al-Arab, which defines the border between South Sudan and Sudan.

References

{{Rivers of South Sudan Rivers of South Sudan Bahr el Ghazal Nile basin