Please answer the following question: The Eagle River is a stream 40 miles (64 km) long in the Municipality of Anchorage in the U.S. state of Alaska. Heading at Eagle Glacier in Chugach State Park it flows northwest into Eagle Bay on the Knik Arm of Cook Inlet 9 miles (14 km) northeast of downtown Anchorage. 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?
A:
Natural Place