Nile River (and White Nile)

The nile river is the longest river in the world and flows northward from its sources in eastern Africa toward the Mediterranean Sea. It spans 4,000 miles (6,700 kilometers), beginning at Lake Victoria, which is perched in the highlands of east Africa on the equator and is just one of the three sources of the Nile. The branch of the river that starts from Lake Victoria is known as the White Nile. This branch provides the greatest volume of water to the Nile River as it flows year round. However, not much of the Nile's waters reach Egypt due to evaporation across the desert.

As the Nile passes through the Sudan, the gradient, or slope, becomes so gradual that the water spreads out to form swamps ...