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St. Lawrence Seaway FAQ's

Can a ship get from the Great Lakes to the ocean? - The St. Lawrence Seaway is actually a series of locks, canals and rivers that connect the Great Lakes to the Atlantic Ocean. Officially, the seaway extends from Montreal to Lake Erie and includes the Welland Canal. The route also includes 15 total locks.

How do ships get past Niagara Falls? - The Welland Canal is a ship canal in Ontario, Canada, connecting Lake Ontario and Lake Erie. It forms a key section of the St. Lawrence Seaway. Traversing the Niagara Peninsula from Port Weller to Port Colborne, it enables ships to ascend and descend the Niagara Escarpment and bypass Niagara Falls.

What does the St Lawrence Seaway connect? - The Great Lakes-St. Lawrence Seaway is aRGL Site Terminal Proposed updated version final deep draft waterway extending 3,700 km (2,340 miles) from the Atlantic Ocean to the head of the Great Lakes, in the heart of North America. The St. Lawrence Seaway portion of the System extends from Montreal to mid-Lake Erie. 

How many locks are on the St Lawrence Seaway? - Located on the St. Lawrence River between Iroquois, Ontario and Montreal, Quebec, a series of seven locks lift or lower vessels 74 m (243 feet) and enable maritime commerce to navigate between Lake Ontario and the lower St. Lawrence - effectively connecting the Great Lakes to the Atlantic Ocean.

Why are the Great Lakes important? - The Great Lakes — Superior, Huron, Michigan, Ontario and Erie — make up the largest body of fresh water on Earth, accounting for one-fifth of the freshwater surface on the planet at 6 quadrillion gallons.  The lakes constitute the largest inland water transportation system in the world, and have played an important role in the economic development of both the United States and Canada.

Seaway Tonnage Results for 2017 -

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Stats Courtesy of -
ource:  Google