For Business and Industry


Pilotage is compulsory for foreign flag vessels using the Great Lakes St. Lawrence Seaway system. Information on boarding points, services and rates is available from:

a) For St. Lawrence River and Gulf

Laurentian Pilotage Authority
555 René Lévesque Blvd. West,
Room 1501
Montreal, Quebec
Canada H2Z 1B1
Tel: 514-496-2156
Fax: 514-496-2409

b) For Seaway and Canadian Waters of Great Lakes

Great Lakes Pilotage Authority, Ltd.
202 Pitt Street
Cornwall, Ontario
Canada K6J 3P7
Tel: 613-933-2991
Fax: 613-932-3793

c) For U.S. Waters of Great Lakes

Office of Great Lakes Pilotage (G-MW-1)
2100 2nd Street SW
Washington, D.C.
USA 20593
Tel: 202-267-2856
Fax: 202-267-4700