Lefini River is a river of the Republic of Congo and a tributary of the

Congo River The Congo River ( kg, Nzâdi Kôngo, french: Fleuve Congo, pt, Rio Congo), formerly also known as the Zaire River, is the second longest river in Africa, shorter only than the Nile, as well as the second largest river in the world by discharge ...

. Henry Morton Stanley reached the confluence on 9 March 1877.Stanley, H.M., 1899, Through the Dark Continent, London: G. Newnes, Vol. One , Vol. Two

References

Rivers of the Republic of the Congo {{RCongo-river-stub