Great Loop Lock Reference
Reviewed planning reference for lock approach, communications, and float-plan preparation.
St. Lawrence Seaway
Massena, NY
Zoomed-in location for this Great Loop lock reference.
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Segment: St. Lawrence Seaway. Route status: all-possible Lake Ontario/St. Lawrence/Champlain-route connector. U.S. St. Lawrence Seaway lock. Official Seaway source identifies Montreal-to-Lake Ontario as 2 U.S. and 5 Canadian locks. Source: https://greatlakes-seaway.com/en/the-seaway/our-locks-and-channels/
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