Québec / Ontario Border
The Québec / Ontario border extends from the State of New York to Baie James for more than 1100 km, along the fleuve Saint-Laurent, Lac Saint-François, the limits of the Rigaud and Nouvelle-Longueuil seigneuries, the Ottawa River, Lac Témiscamingue, and in a straight line northward along the 79o31´04´´ meridian west.

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© Gouvernement du Québec, 2002