Local Dive Sites

The St. Lawrence river has some of the best wreck diving in the whole world!

The main shipping route use for centuries, the St. Lawrence River is where hundreds of vessels met their fate. From wooden schooners with cargos of grain or coal, to war ships of the early 1800s, to modern day freighters, they all lie along the river bottom waiting to be explored.

The river is known for its warm summer waters, lack of thermoclines (the same temperature all the way to the bottom), and good visibility. In the summer, warm surface water from Lake Ontario flows into the river and mingles around the many islands causing the water temperature to “equal out” through all depths! In late summer, the water temperatures can reach up to 75+ degrees.

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Water Temperature – St. Lawrence River