Lac Joufflu is a Lake located in Lac-Douaire; Antoine-Labelle, Quebec.

• Latitude: 47° 12' 0'' North   (decimal: 47.2)
• Longitude: 75° 44' 49'' West   (decimal: -75.7469444)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Location: Lac-Douaire; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Joufflu
• GPS Coordinate Locator Map: Lac Joufflu Lat/Long