Given the question: River Menalhyl - The River Menalhyl (Cornish: Dowr Melynheyl meaning river of the estuary mill) is a river in Cornwall England UK that flows through the civil parishes of St Columb Major and Mawgan-in-Pydar. Its length is about 12 miles and it flows in a generally north-west direction. The name comes from the Cornish words melyn meaning mill and heyl meaning estuary - estuary mills. 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?
The answer is:
Natural Place