Semliki

Semliki is an important river in Central and East Africa that runs for 140 kilometers across the Democratic Republic of the Congo (DRC) and Uganda. It flows north from Lake Edward in Beni Territory, Nord-Kivu, DRC, avoiding the Rwenzori Mountains on its right, eventually draining into Lake Albert in the Albertine Rift, Irumu Territory, Ituri Province, DRC, overlooking the Blue Mountains to the west. Its mouth lies near Katolingo Village in the Kanara subcounty of Uganda's Ntoroko district. It meanders considerably in its lower reaches, comprising part of the international border between the Democratic Republic of the Congo and the western Ugandan districts of Bundibugyo and Ntoroko, near the Semuliki National Park.

Bank erosion and frequent changes in the course of the meandering lower portions of the river have been caused by increasing snow melt from the Rwenzoris, overgrazing, and other changes to the watershed. Uganda is losing up to 10 meters of land each year due to erosion on its side of the river, while silt from the Semliki is rapidly filling in the southern end of Lake Albert. In some locations, the DRC is losing territory as the course of the river shifts the border's apparent location.

Length: 87 miles (shared with the Democratic Republic of the Congo)