Lac Cournoyer is a Lake located in Trois-Rives; Mékinac, Quebec.

• Latitude: 46° 52' 51'' North   (decimal: 46.8808637)
• Longitude: 72° 51' 27'' West   (decimal: -72.8576199)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Trois-Rives; Mékinac
• Atlas of Canada Locator Map: Lac Cournoyer
• GPS Coordinate Locator Map: Lac Cournoyer Lat/Long