Water politics in the Nile Basin share the river – Egypt, Sudan, Ethiopia, Uganda, Kenya, Tanzania, Burundi, Rwanda and the Democratic Republic of Congo with Eritrea as an observer. During the colonial period, Britain effectively controlled the Nile through its military presence in Africa. Since Sudanese independence, Sudan has renegotiated with Egypt over the use of the Nile waters. The 1959 agreement between Sudan and Egypt allocated the entire average annual flow of the Nile to be shared among the Sudan and Egypt at 18.5 and 55.5 billion cubic meters respectively, but ignored the rights to water of the remaining eight Nile countries. Ethiopia contributes 80%
Nyabarongo River Nyabarongo River The Nyabarongo (or Nyawarungu) is a major river in Rwanda, part of the upper headwaters of the Nile. At 297 km (184 miles), it is the longest river entirely in Rwanda. The river begins its course at the confluence of the rivers Mbirurume and Mwogo in the South West of the country. These two rivers themselves begin in Nyungwe Forest, and are considered by some to be the most distant source of the Nile. From its start, Nyabarongo flows northward for 85 km (53 miles), and forms the border between the Western and Southern Provinces. At the confluence