Please answer the following question: The Lost River is a tributary of the Roseau River in northern Minnesota in the United States. Via the Roseau River the Red River of the North Winnipeg Lake and the Nelson River it is part of the Hudson Bay watershed. 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