Lac Couillard is a Lake located in Baie-Comeau; Manicouagan, Quebec and has an elevation of 159 meters.

• Latitude: 49° 16' 30'' North   (decimal: 49.2750467)
• Longitude: 68° 15' 45'' West   (decimal: -68.2625296)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 159 meters
• Location: Baie-Comeau; Manicouagan
• Atlas of Canada Locator Map: Lac Couillard
• GPS Coordinate Locator Map: Lac Couillard Lat/Long