evidence: Semuliki River forms the boundary between Uganda and the Democratic Republic of Congo (DRC) in Central and East Africa, due to presence of the tropical rainforest and the Congo basins. However, there is concern on the part of Uganda about the shifting border between Uganda and the Democratic Republic of Congo as a result of soil erosion. The river has shifted almost one kilometer into Uganda due to the continuous flooding and soil erosion in the area because it is a basin. Semuliki River originates from Lake Edward found in Kasese District in Western Uganda and it begins near Ishango in DRC, at the northern end of Lake Edward. Soon after the river enters Virunga National Park in DRC, through which it flows over much of its upper course. [...] Semuliki River stretches for 230km along the Rwenzori mountain ranges and the border between Uganda and DRC from Lake Edward to Lake Albert. The altitudinal range in the catchment is from 600m above sea level in Semuliki flats to 5,110m at the peak of the Rwenzori. This wide range allows for a high level of species diversity and endemism.