About this waterfall.

About St Marys Rapids

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The St. Marys Rapids are really not very impressive as far as waterfalls go. They are basically just a very wide, very low rapids, with just a bit of exposed bedrock closer to the edges of the river. But this site has much historical significance for Ontario and First Nations alike. Throw in an easy, pleasant hike and the ability to see the locks, and this is a worthy stop.

The entire area has been modified through the years, with the construction of shipping canals, industry, power generation, etc. But access is pretty easy and given all the interesting heritage in the area, it’s worth a visit.

This used to be where all of the out flow from Lake Superior would pass on its way down to the rest of the Great Lakes. Some of the water is now diverted elsewhere for power generation and canal operation. Access is via a pleasant well-maintained gravel path across Whitefish Island, which is owned by the Batchewana First Nation of Ojibways.

To reach the island, visitors simply need to cross the footbridge at the Locks, which here are only used for recreational purposes (commercial shipping follows the locks on the USA side). The area along the river has some interesting industrial and navigational history that can be explored.

Some Key Facts
Region Algoma
County Algoma
Near Sault Ste Marie
Watercourse St. Marys River
Watershed / % Lakes 5 / 0%
Ownership Batchewana First Nation of Ojibways
Landscape Big River, open
Size Small-Large
Type Rapids
Modification International bridge, infrastructure
Access Moderate
Top / Bottom Easy / Easy
Trail conditions Gravel
Hiking Time 15 mins
Coordinates 46.5081,-84.3531
Parking
46.5136,-84.3492
Site ID WOO.ALG.082
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Finding St Marys Rapids

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Visiting St Marys Rapids


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Waterfalls of Ontario Project

This project has been online since 1999, in print since 2003, and on social since 2011. (See archives: 2003, 2012, 2018). It was the first to inventory and map Ontario's waterfalls for recreational purposes. With your continued help, it grows. Learn more...
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This page last updated on April 20, 2024. Earlier versions can be examined on Archive.org, dating back to 2003.