Saint Regis is a hamlet at the confluence of the St. Regis River and a seaway which legally includes what canal?
Saint Lawrence Seaway The Saint Lawrence Seaway (French: "la Voie Maritime du Saint-Laurent" ) is a system of locks, canals and channels in Canada and the United States that permit ocean-going vessels to travel from the Atlantic Ocean to the Great Lakes of North America, as far inland as the western end of Lake Superior. The Seaway is named for the Saint Lawrence River, which flows from Lake Ontario to the Atlantic Ocean. Legally, the Seaway extends from Montreal, Quebec, to Lake Erie and includes the Welland Canal.
Canal de la Somme The Canal de la Somme is a canal in northern France. Its total length is 156.4 km with 25 locks, from the English Channel at Saint-Valéry-sur-Somme to the Canal de Saint-Quentin at Saint-Simon.