The Soo Locks are a system of parallel locks in Sault Ste. Marie, Michigan that allow ships to travel between Lakes Superior and Huron by bypassing the fast-moving rapids of the Saint Marys River.
The Soo Locks in Sault Ste. Marie will open for the 2025 shipping season on March 21. The opening of the locks marks the start of the Great Lakes shipping season. The Soo Locks allow vessels to ...
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