Sarnia sits on the St. Clair River in southwestern Ontario, where Lake Huron’s outflow begins its southward course toward Lake St. Clair. Across the river lies Port Huron, Michigan, and the Blue Water Bridge connects the two cities as a major Canada–US road crossing. The waterfront gives Sarnia a distinctly Great Lakes character, while its southern industrial district forms part of Ontario’s long-established petrochemical centre, often called Chemical Valley. Canatara Park on the Lake Huron shore adds beaches, trails and open lakeside space to the urban setting. Browse additional webcams from the surrounding area to extend your view of Sarnia and southwestern Ontario.
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