St. Louis County


Ports

The Duluth Superior Seaway Port is the western terminus of the Great Lakes and the St. Lawrence Seaway, an independent shipping system that connects the Arrowhead Region to the Atlantic Ocean and world markets.

The Duluth Superior Seaway Port is one of six Custom Ports of Entry in the region.  The others include the Grand Portage border crossing in Grand Portage, International Bridge at International Falls, the rail crossing at Ranier, Sky Harbor and Duluth International Airports in Duluth.



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