sentences:  The line originally ran from Massena, New York, northeast to Kahnawake, Quebec, along a former New York Central Railroad line.At its south end, the St. Lawrence Subdivision continues south; its north end was at Adirondack Junction, a junction with the Canadian Pacific Railway's Adirondack Subdivision, along which it had trackage rights north over the Saint-Laurent Railway Bridge into Montreal.The piece from Huntingdon, Quebec, north to Salaberry-de-Valleyfield opened in 1892 as part of the St. Lawrence and Adirondack Railway.