Lac du Chien is a Lake located in Rivière-Mouchalagane; Caniapiscau, Quebec.

• Latitude: 51° 34' 48'' North   (decimal: 51.5800467)
• Longitude: 68° 1' 55'' West   (decimal: -68.0319191)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Mouchalagane; Caniapiscau
• Atlas of Canada Locator Map: Lac du Chien
• GPS Coordinate Locator Map: Lac du Chien Lat/Long