Water is a major part of Canada's boundaries.
The Pacific, Arctic and Atlantic Oceans combine to give Canada the longest coastline in the world.
In addition, there are thousands of kilometers of freshwater boundaries, of which the St Lawrence River is a relatively small part.
Canada shares a border with the USA which passes through four of the Great Lakes: Superior, Huron, Erie and Ontario. Between Lakes Superior and Huron, the International Boundary runs through the St Marys River. Between Lakes Huron And Erie, the International Boundary runs through the St Clair River, Lake St Clair and the Detroit River. Between Lakes Erie and Ontario, the International Boundary runs through the Niagara River.
Lake of the Woods, Rainy River, Rainy Lake, the Pigeon River, and roughly 40 smaller connecting lakes and rivers in and around Quetico Provincial Park also form part of the International Boundary.
yes it is at the northeast top of the united states
no
The St. Lawrence River.
The border between Ontario, Canada, and New York, USA, runs through the entire length of the Niagara River (from Lake Erie to Lake Ontario), as well as through that part of the St Lawrence River between Lake Ontario and the 45th parallel of latitude (which is near Cornwall, Ontario).Niagra River
Michigan river =========== No part of the Canada-US border is called the "Michigan River." Rivers forming part of the Canada-US border include: Rainy River, Pigeon River, St Marys River, St Clair River, Detroit River, Niagara River, St Lawrence River, St John River, St Croix River.
Rainy River, Pigeon River, St Marys River, St Clair River, Detroit River, Niagara River, St Lawrence River, St John River and St Croix River all form part of the International Boundary between Canada and the US.
The Niagara River, which flows north connecting Lake Erie to Lake Ontario, between the province of Ontario and the state of New York. At Niagara Falls, parts of the falls are entirely within the US, and the remainder border Canada.
St. Lawrence
The St. Lawrence River.
the st. Marys river
The Columbia River and St. Lawrence river share a border with Canada and the U.S
The border between Ontario, Canada, and New York, USA, runs through the entire length of the Niagara River (from Lake Erie to Lake Ontario), as well as through that part of the St Lawrence River between Lake Ontario and the 45th parallel of latitude (which is near Cornwall, Ontario).Niagra River
Massena NY
Michigan river =========== No part of the Canada-US border is called the "Michigan River." Rivers forming part of the Canada-US border include: Rainy River, Pigeon River, St Marys River, St Clair River, Detroit River, Niagara River, St Lawrence River, St John River, St Croix River.
The St. Lawrence River forms part of the eastern end of the border between Canada and the United States. The St. Lawrence River is also used as a shipping channel. Ships use it to go between the Atlantic Ocean and the Great Lakes.
it is a river that makes part of the border between the u.s. and Canada
There are actually about 7 or 8. Most prominent is the St Lawrence.
The St. Lawrence River starts in both the United States and Canada, as its source is Lake Ontario. Lake Ontario and the St. Lawrence River is shared by the two countries and acts as a border.
The river located between the Great Lakes and the Gulf of St. Lawrence is the St. Lawrence River. The St. Lawrence River is a waterway linking Canada and the United States.