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Soo Locks, Sault Ste. Marie

(4.7/5 based on 1,000+ reviews on the web)
See how 10,000 ships travel between Lake Superior and the lower Great Lakes every year at Soo Locks. Historically significant, the first versions of these locks were built in 1855 to accommodate a 6.4 m (21 ft) drop between Lake Superior and Lake Huron, and they still are noted for their engineering prowess. Today vessels traveling through the lock system here transport more than 86 million tons of cargo. The locks are named for the two cities on either side of the St. Marys River, one in Michigan and one in Canada. Both cities are names Sault Ste. Marie, with Sault pronounced as "Soo." The locks now make up 2.6 km (1.6 mi) of a canal that is run by the U.S. Army Corps of Engineers. Make Soo Locks a part of your Sault Ste. Marie vacation plans using our Sault Ste. Marie trip itinerary planner.
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Reviews
TripAdvisor
  • We first stopped at the Soo to see the massive ships up close. We have been hooked ever since. We make an annual late summer trip. Ships can be viewed close enough to see and talk with member of the c...  more »
  • Love visiting any time I am in town. The locks are just such an amazing engineering feat! Even better if a freighter is coming through but still fun if not. 
  • The Soo Locks was a very interesting experience if you love ships and life on the open water, which I do. When the ship we were watching was finished loading, and it was time to open the lock, the shi...  more »