Lac du Carreau is a Lake located in Mont-Valin; Le Fjord-du-Saguenay, Quebec.

• Latitude: 52° 5' 27'' North   (decimal: 52.0908333)
• Longitude: 70° 57' 50'' West   (decimal: -70.9638889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac du Carreau
• GPS Coordinate Locator Map: Lac du Carreau Lat/Long