Answer the following question: Ellis River (New Zealand) -  The Ellis River is a river of the northwestern South Island of New Zealand. It arises near Mount Arthur in the Arthur Range and flows south-east within Kahurangi National Park. It is a tributary of the Baton River. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Natural Place