

80-night Arctic To Antarctic Explorer Cruise
Aboard
Viking Polaris
From
Nuuk, Greenland
1 Sailing
Sep 15, 2028
Published prices from
$74,995
per person*
taxes & fees included
The St. Lawrence Seaway is a remarkable engineering feat.

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Overview
The St. Lawrence Seaway is an immense and strategically vital system of canals, locks, and channels that allows ocean-going vessels to travel deep into the North American continent, connecting the Atlantic Ocean to all five Great Lakes. Jointly managed by the United States and Canada, this remarkable feat of engineering, officially opened in 1959, bypasses rapids and elevation changes along the St. Lawrence River, creating a navigable "marine highway" that extends for over 3,700 kilometers (2,300 miles) from the Gulf of St. Lawrence to the western shores of Lake Superior.
For cruise passengers, transiting the St. Lawrence Seaway offers a unique and often awe-inspiring experience. Whether on a large ocean-going cruise ship transitioning to the Great Lakes or a smaller river cruise vessel exploring sections of the system, passengers witness the ingenious operation of locks that lift and lower ships by hundreds of feet, observe diverse maritime traffic, and enjoy the ever-changing landscapes from bustling urban centers to serene natural passages. Cruising the Seaway provides an unparalleled perspective on the economic power, historical significance, and natural beauty of this binational waterway.
The highlight of any St. Lawrence Seaway cruise is the opportunity to pass through its magnificent locks. Witness firsthand this engineering marvel as your ship is lifted or lowered hundreds of feet, allowing you to navigate from one water level to the next.
Tip: Head to the ship’s upper deck to watch the entire lock process. Listen to your cruise director's commentary for a detailed explanation of how these incredible structures work.
A cruise along the seaway provides access to some of North America's oldest and most charming cities. Explore Old Montreal with its cobblestone streets and Notre-Dame Basilica, or discover the UNESCO World Heritage site of Old Quebec City, home to the iconic Château Frontenac.
Tip: Take a walking tour of Old Quebec City to truly appreciate its 17th and 18th-century architecture and rich French-Canadian history.
Sail through the enchanting Thousand Islands, an archipelago of over 1,800 islands that straddle the border of Canada and the United States. Enjoy stunning views of stately mansions, secluded cottages, and historic lighthouses, with a stop often made at a charming town like Kingston or Gananoque.
Tip: A small boat cruise is often offered as an excursion here, providing a more intimate perspective of the islands and their famous landmarks, such as Boldt Castle.
While not directly on the St. Lawrence River, cruises sailing the full seaway often traverse the Welland Canal, which bypasses Niagara Falls. This gives you the unique opportunity to visit this world-famous natural wonder.
Tip: Excursions to the falls typically include a boat tour that takes you right into the spray, so bring a waterproof jacket and be prepared to get a little wet.
Beyond the major cities, the seaway is dotted with smaller, picturesque towns. Ports like Saguenay offer access to a dramatic fjord landscape and a chance to spot marine life, including whales, while others like Gaspé provide insight into remote Canadian life and beautiful coastal scenery.
Tip: Many of these smaller stops are perfect for a relaxed stroll to browse local crafts or enjoy a quiet waterfront meal.
The St. Lawrence Seaway is more than just a man-made marvel; it's a journey through a spectacular natural environment. Keep an eye out for a variety of wildlife, from beluga whales in the Saguenay Fjord to bald eagles soaring overhead, all against a backdrop of dense forests and rolling hills.
Tip: Fall cruises are particularly popular for their breathtaking display of autumn foliage along the riverbanks.



Aboard
Viking Polaris
From
Nuuk, Greenland
1 Sailing
Sep 15, 2028
Published prices from
per person*
taxes & fees included


Aboard
Viking Polaris
From
Nuuk, Greenland
1 Sailing
Sep 15, 2028
Published prices from
per person*
taxes & fees included


Aboard
Viking Polaris
From
Toronto, Ontario
1 Sailing
Jul 3, 2028
Published prices from
per person*
taxes & fees included


Aboard
Viking Polaris
From
Buenos Aires, Argentina
1 Sailing
Mar 14, 2028
Published prices from
per person*
taxes & fees included


Aboard
Viking Octantis
From
Nuuk, Greenland
1 Sailing
Sep 21, 2027
Published prices from
per person*
taxes & fees included


Aboard
Viking Octantis
From
Nuuk, Greenland
1 Sailing
Sep 9, 2027
Published prices from
per person*
taxes & fees included


Aboard
Viking Polaris
From
Nuuk, Greenland
2 Sailings
Sep 29, 2026 - Sep 27, 2028
Published prices from
per person*
taxes & fees included


Aboard
Viking Polaris
From
Toronto, Ontario
2 Sailings
Oct 13, 2026 - Oct 1, 2027
Published prices from
per person*
taxes & fees included


Aboard
Viking Polaris
From
Nuuk, Greenland
1 Sailing
Sep 17, 2026
Published prices from
per person*
taxes & fees included


Aboard
Viking Octantis
From
Toronto, Ontario
1 Sailing
Jun 27, 2027
Published prices from
per person*
taxes & fees included

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