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Sault Ste. Marie Canal National Historic Site


Father and son enjoying the wetlands on the Attikamek Trail

Sail your boat through the lock at the Sault Ste. Marie Canal, or do your exploring of this fascinating site on foot. Learn how this Canal – once boasting the longest lock in the world and the first one powered by electricity – allowed ships, and now pleasure craft, to bypass the rapids caused by a change in elevation in the St. Marys River.

Featured Activities


The Lock's Big Picnic!
Saturday June 18th, the Sault Ste. Marie Canal National Historic Site will be hosting a free community picnic from 11am to 5pm.

Attikamek Trail

Take An Urban Trek
Hike the 2.2 kilometre Attikamek trail located across the lock gates on South St. Marys Island to experience the beauty of the natural world in the heart of the city of Sault Ste. Marie.

Birdwatching at the Sault Canal

Downtown Is For The Birds!  
Grab your binoculars and become a downtown bird watcher! The wetlands and wooded trails on South St. Marys Island in Sault Ste. Marie are a favourite spot for migrating songbirds, waterfowl and wildlife.

Locking through the Sault Canal

From Lake Huron to Lake Superior – Lock Through the Historic Canal
Guide your boat into the lock at the Sault Ste. Marie Canal and feel the power of the water as it lifts you from Lake Huron to Lake Superior, bypassing the St. Marys River Rapids.

sandstone buildings at the Sault Canal

Explore a Marvel of 19th Century Engineering  
Venture back a century or more and explore the historic Powerhouse building with its original 19th century machinery and discover the world’s only remaining Emergency Swing Dam, used in the accident of 1909.

Geocaching - Heritage Hide’n’Seek GeoTour  
A GeoTour is a series of related geocaches along a route or in a region that tell a story. The Heritage Hide’n’Seek GeoTour isn’t your typical history or geography lesson. Get ready to explore Northern Ontario and discover how it’s people, places and events shaped the Canada we know today.

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