St. Marys River (Michigan–Ontario) St. Marys River (Michigan–Ontario) The St. Marys River (), sometimes written as the St. Mary's River, drains Lake Superior, starting at the end of Whitefish Bay and flowing southeast into Lake Huron, with a fall of . For its entire length it is an international border, separating Michigan in the United States from Ontario, Canada. The twin cities of Sault Ste. Marie, Ontario, and Sault Ste. Marie, Michigan are connected across the St. Marys River by the Sault Ste. Marie International Bridge. The St. Marys Rapids are just below the river's exit from Lake Superior and can be bypassed by
Sault Ste. Marie (provincial electoral district) Sault Ste. Marie (provincial electoral district) Sault Ste. Marie is a provincial electoral district in the Legislative Assembly of Ontario, representing the City of Sault Ste. Marie. The riding was created in 1902 from part of Algoma East, and originally consisted of a large section of Algoma District from the boundary of Thunder Bay District to the mouth of the Echo River. It has essentially had the same boundaries (that of the city of Sault Ste. Marie) since the 1966 redistribution. Prior to 1996, Ontario was divided into the same electoral districts as those used for federal electoral purposes. They