Mto Katonga unapatikana nchini Uganda, ukiunganisha ziwa Nyanza na ziwa Dweru. Siku hizi maji yake yanaelekea mashariki na kuchangia ziwa Nyanza Hughes, Hughes & Bernacsek (1992). "2.10 Uganda", A Directory of African Wetlands. IUCN/UNEP(WCMC), 265. ISBN 2-88032-949-3. Retrieved on 26 February 2014.  Katonga Wildlife Reserve Katonga River Rivers and Lakes of Uganda. Majiranukta kwenye ramani: 00°12′N 30°50′E﻿ / ﻿0.2°N 30.833°E﻿ / 0.2; 30.833