The Ethiopia–Sudan border is a disputed border between the 0929 4715 52 1000000
Southeastern delimitation of the border in 1907
The Blue Nile is a river originating at Lake Tana in Ethiopia. It travels for approximately 1,450 km (900 mi) through Ethiopia and Sudan. Along with the White Nile, it is one of the two major tributaries of the Nile and supplies about 85.6% of the water to the Nile during the rainy season.
Blue Nile River in Ethiopia
Satellite image of where White and Blue Niles merge
Confluence of the Blue and White Nile rivers near Khartoum, the capital of Sudan
Men pull each other across the Blue Nile by rope prior to the building of a new bridge