The Nile has many sources. This episode looks at the headwaters in the Great East African Rift Valley and the Rwenzori Mountains' melting snow.
After plunging over a massive rock, the Nile progresses peacefully through Murchison Falls National Park, where hippos bathe.
During the rainy season, the Blue Nile tributary is more powerful than the main river. Follow it from the Ethiopian highlands to the delta.