Nile it forms a significant river delta. The lake itself is on the border of DR Congo, but the Nile is not a border river at this point. After leaving Lake Albert, the river continues north through Uganda and is known as the Albert Nile. The Nile river flows into South Sudan just south of Nimule, where it is known as the Bahr al Jabal ("Mountain River"). Just south of the town it has the confluence with the Achwa River. The Bahr al Ghazal, itself long, joins the Bahr al Jabal at a small lagoon called Lake No, after which the
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