The Rubyiro River is a river in southwestern Rwanda that is a left-hand tributary of the Ruzizi River. It joins the Ruzizi which forms the boundary between Rwanda and the Democratic Republic of the Congo about 2 kilometres (1.2 mi) above the point where the Ruhwa River which forms the boundary between Rwanda and Burundi enters the Ruzizi. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
The answer to this question is:
Natural Place