Water politics in the Nile Basin Water politics in the Nile Basin The Nile river is subject to political interactions. It is the world's longest river flowing 6,700 kilometers through ten countries in northeastern Africa – Rwanda, Burundi, Democratic Republic of the Congo (DRC), Tanzania, Kenya, Uganda, Ethiopia, South Sudan, Sudan and Egypt with varying climates. Considering the basin area of the Nile, Sudan has the largest size (1.9 million km²) whereas, of the four major tributaries to the Nile, three originate from Ethiopia – the Blue Nile, Sobat and Atbara. The modern history of hydropolitics in the Nile basin is very complex and has had
Blue Nile Blue Nile The Blue Nile (Ge'ez: ጥቁር ዓባይ "Ṭiqūr ʿĀbbāy" (Black Abay) to Ethiopians; ; transliterated: an-Nīl al-Azraq) is a river originating at Lake Tana in Ethiopia. With the White Nile, it is one of the two major tributaries of the Nile. The Blue Nile supplies about 80% of the water in the Nile during the rainy season. The Blue Nile is so-called because floods during the summer monsoon erode a vast amount of fertile soil from the Ethiopian Highlands and carry it downstream as silt, turning the water dark brown or almost black. The distance of the river from