There are, in fact, dozens of bodies of fresh water that the International Boundary between the US and Canada runs through. In addition to the Great Lakes, they include the St John River, the St Croix River, the St Lawrence River, the Niagara River, the Detroit River, the St Clair River, the St Marys River, the Pigeon River, and Rainy River. They also include Lake St Clair, Rainy Lake and Lake of
