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.

Sault Ste. Marie — Icebreakers are chewing through late-season ice on key routes as the Soo Locks prepare to open at 12:01 a.m. Wednesday, signaling the start of the 2026 Great Lakes commercial ...

The Great Lakes shipping season is set to reopen soon for the upcoming season when the Soo Locks receive ships this month. The Poe lock will reopen for spring shipping at 12:01 a.m. March 25. The ...

The 1,004-foot-long American Spirit was the last Great Lakes freighter to traverse the Soo Locks for the 2025-26 shipping season on Thursday, Jan. 15, as the facility closes for winter maintenance.