Congo River lies in the northern province Haut-Uele of DR Congo: There are at least four bridges on the Lulua river in the provice of Kasai of DR Congo: Angola - DR Congo border: Lower Congo (Matadi - Pioka): DR Congo - Congo Republic border: Upper Congo (Irebu - Ubundu): On the minor tributaries of the great Congo there are noumerous river crossings, which cannot be included here. Congo River The great Congo River (also spelled Kongo River and known as the Zaire River; ; ; ) is the second longest river in Africa, shorter only than the Nile, as well as
Blue Nile the Nile Valley and the consequent rise of Ancient Egypt and Egyptian mythology. With the completion in 1970 of the Aswan Dam in Egypt, the Nile floods ended for lower Egypt. The Blue Nile is vital to the livelihood of Egypt. The Blue Nile, the most significant tributary of the Nile, contributes more than half of the Nile's streamflow. Though shorter than the White Nile, 59% of the water that reaches Egypt originates from the Blue Nile branch of the great river. The river is also an important resource for Sudan, where the Roseires Dam and Sennar Dams produce 80%