Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Mississagi River - The Mississagi River is a river in Algoma and Sudbury Districts Ontario Canada that originates in Sudbury District and flows 266 kilometres (165 mi) to Lake Huron at Blind River Algoma District.
A:
Natural Place