The St. Laurence river separates Ontario & Quebec .
The capital of Canada is Ottawa, on the Ottawa River. The two main rivers in the Ottawa area are the Ottawa River (which separates Ottawa from the Quebec city of Gatineau) and the Rideau River, which runs through Ottawa and includes the Rideau Canal.
The St. Lawrence River runs through United States and Canada. It passes through Quebec, Ontario and New York city and runs 1,900 miles.
The Niagara River flows from Lake Erie to Lake Ontario. The border between Canada and the USA runs through the entire length of the Niagara River. The Niagara River begins in both Canada and the USA. It also ends in both Canada and the USA.
It runs through Quebec and Ontario.
The Bow River runs through Banff.
The St. Lawrence River runs from eastern Ontario through Quebec & into the Atlantic Ocean. Furs bound for The Old World traveled this route.
There are two cities called 'Niagara Falls'. Both exist along a border between Canada and the United States. Each city is entirely autonomous from the other and there are several border crossings between them. A river called the Niagara River runs between the two cities, therefore all of the border crossings in the area are over bridges, none are by land.
The Mississippi River
IT IS NOT THE MISSISSIPPI river
Don River and Humber River both run through Toronto, Canada.
North America. It runs to the Pacific Ocean between Washington State and Oregon. There is a Columbia River that runs through southwestern Canada and northwestern US, which would put it on the North American continent.