Please answer the following question: Old Course Saco River - The Old Course Saco River is a 21.9-mile-long (35.2 km) river in the town of Fryeburg in western Maine in the United States. It was the route of the Saco River until the early 1800s when the river's current course (called at first the Canal River) was dug to shorten its length considerably.[citation needed] 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