Lac Demi-Lune is a Lake located in Chibougamau; Jamésie, Quebec and has an elevation of 400 meters.

• Latitude: 49° 52' 19'' North   (decimal: 49.8720133)
• Longitude: 74° 25' 47'' West   (decimal: -74.4295835)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 400 meters
• Location: Chibougamau; Jamésie
• Atlas of Canada Locator Map: Lac Demi-Lune
• GPS Coordinate Locator Map: Lac Demi-Lune Lat/Long