The St. Marys River, sometimes written St. Mary's River, drains Lake Superior, starting at the end of Whitefish Bay and flowing 74.5 miles southeast into Lake Huron, with a fall of 23 feet. For its en
St. Marys River connects Lake Superior (top left) to Lake Huron (bottom and right)
The International Bridge with the rail bridge crossing the American Locks.
Saint Marys Falls Hydropower Plant at the mouth of the Edison Sault Power Canal
US Army Corps of Engineers hydroelectric plant seen from across the St. Marys Rapids
Soo Locks
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The Soo Locks are a set of parallel locks, operated and maintained by the United States Army Corps of Engineers, Detroit District, that enable ships to travel between Lake Superior and the lower Great
St. Marys River (Michigan–Ontario)
…International Bridge. The St. Marys Rapids are just below the river's exit from Lake Superior and can be bypassed by huge freight ships through the man-made Soo Locks and the Sault Ste. Marie Canal. Two of the Ontario tributaries of this river are the Garden River and the Bar River. Other Canadian tributaries include…
Soo locks and the Sault Ste. Marie International Bridge that has a clearance of 124 feet
Soo Locks on the St. Marys River connecting Lakes Superior and Huron.
The first Soo Locks in the 19th century
Anchor Line steamer in the Soo Locks, ca. 1900s