Blue Nile

The Blue Nile is an Ethiopian river that originates from Lake Tana. It passes across Ethiopia and Sudan for about 1,450 kilometers. It is one of the two major tributaries of the Nile, together with the White Nile, and supplies around 80% of the water in the Nile during the wet season.

The Blue Nile originates in Ethiopia's Lake Tana. The river travels south before entering a 400-kilometer-long canyon around 30 kilometers from Lake Tana, which creates a significant barrier to transit and communication between north and south Ethiopia. The canyon was first dubbed the "Grand Canyon" by a British team in 1968 after they completed the first river descent from Lake Tana to the canyon's end; later river rafting parties dubbed it the "Grand Canyon of the Nile" At the mouth of the canyon are the Blue Nile Falls, one of Ethiopia's most popular tourist destinations.

Length: 901 miles (shared with Ethiopia)