Answer the following question: Ewenny River -  The Ewenny River (Welsh: Afon Ewenni) is a small river in south Wales with a length of ten miles or sixteen kilometres. For most of its length it forms the border between the counties of the Vale of Glamorgan and Bridgend. It is a major tributary of the River Ogmore which it joins over a mile upstream from the sea at Ogmore Castle. It is a popular river amongst anglers. 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