Geography of Africa outer ranges. The main drainage of the continent is to the north and west, or towards the basin of the Atlantic Ocean. To the main African rivers belong: Nile (the longest river of Africa), Congo (river with the highest water discharge on the continent) and the Niger, which flows half of its length through the arid areas. The largest lakes are the following: Lake Victoria (Lake Ukerewe), Lake Chad, in the centre of the continent, Lake Tanganyika, lying between the Democratic Republic of Congo, Burundi, Tanzania and Zambia. There is also the considerably large Lake Malawi stretching along the eastern
Greater Upper Nile Greater Upper Nile The Greater Upper Nile is a region of northeastern South Sudan. It is named for the White Nile, a tributary of the Nile River in North and East Africa. The region consisted of the erstwhile states of Jonglei, Unity, and Upper Nile. It borders Ethiopia to the east and the Republic of the Sudan to the north. The South Sudanese region of Bahr el Ghazal lies to the west and the region of Equatoria lies to the South of Greater Upper Nile. The Greater Upper Nile region seceded from the Republic of Sudan on 9 July 2011