Soo Locks, Sault Ste. Marie

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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 Traveler Rating
1,179 reviews
Google
4.5
TripAdvisor
  • August 14, 2017
    If you are interested in ships and water works come here! It's really interesting and great to see the big boats navigate in to the locks, get elevated and leave for the next leg of their journey. You...  more »
  • August 14, 2017
    We have been to the locks several times. This was the first time with our 3 granddaughters. The technology is amazing especially when you realize the locks opened 150 plus years ago.  more »
  • August 14, 2017
    We visited the locks to see what might be coming through; however, a ship ran aground about a half mile down the water and was going to be stuck for a while. We didn't have too much time to hang aroun...  more »
Google
  • July 6, 2017
    See the locks from the viewing station and check out the visitor's center while there. It's filled with fascinating info. Then ride the locks ink the Soo boat tour. A nice little tour of the locks and the river, and the captain provides an informative narration throughout. I wouldn't recommend bringing young children. The few I saw were clearly bored. However, it's a fascinating engineering marvel for those older enough to appreciate it.
  • July 5, 2017
    It's hit or miss on if a boat will be going through at the time you will be there unless you do some homework. AFTER 6PM THE PARKING METERS ARE FREE. We did not read them and put in a quarter before someone pointed this out too us lol.
  • March 26, 2017
    Pretty cool watching the ships pass!! Cool little walkway that has signs with history info on them!
  • December 13, 2016
    Great place to sit and watch freighters go thorough the locks. If you go on Engineering Day you can walk across the Locks and see the post office in the middle of the locks.
  • December 20, 2016
    It's pretty and very unique.. no boats when I was there but it's really I sight to see and many areas to walk around. Totally worth it

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