Sault Ste. Marie Canal Sault Ste. Marie Canal The Sault Ste. Marie Canal is a National Historic Site in Sault Ste. Marie, Ontario, and is part of the national park system, managed by Parks Canada. It includes a lock to bypass the rapids on the St. Marys River. The first canal on the site opened in 1798, but was destroyed in 1814 during the War of 1812. The latest canal dates to 1895, and formed part of the shipping route from the Atlantic Ocean to Lake Superior, along with the two locks on the US side of the river. One of the walls of
Sault Ste. Marie, Michigan on the lower (east) side of the Soo Locks. The United States Postal Service operates a "Marine Post Office", situated within the locks, to service ships as they pass through. The city is located at Latitude: 46.49 N, Longitude: -84.35 W. According to the United States Census Bureau, the city has a total area of , of which is land and is water. Under the Köppen climate classification, Sault Ste. Marie has a humid continental climate ("Dfb") with cold, snowy winters and warm summers. Sault Ste. Marie is one of the snowiest places in Michigan, receiving an average of of