See this dialog response. The largest tributaries of the Lualaba River (hence the Congo River), are the: Cities and Towns along and near the Lualaba River include:  The Lualaba River was once considered a possible source of the Nile, until Henry Morton Stanley journeyed down it and proved that it drained into the Atlantic Ocean. What came before?
See the 2 person dialog:
Speaker A) What are the Boyoma Falls?.
Speaker B) The Boyoma Falls or Stanley Falls are made up of seven cataracts, over a stretch of of the river, between Ubundu and Kisangani..
Speaker A) Is there anything else interesting about the Lualaba River?.
Speaker B) The river's end is marked after the seventh cataract, near Kisangani, where its name becomes the Congo River..
Speaker A) Is the river closed to any humans or animals?.
Speaker B) The Lualaba River serves as the northern and western boundary of Upemba National Park, protecting habitats on the Kibara Plateau in Katanga Province of the southeastern Democratic Republic of Congo..
Speaker A) Is there anything else interesting about the river?.
Speaker B) 