Lac Malchelosse is a Lake located in Rivière-Koksoak; Kativik, Quebec and has an elevation of 536 meters.

• Latitude: 59° 5' 15'' North   (decimal: 59.0875)
• Longitude: 64° 48' 38'' West   (decimal: -64.8105556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 536 meters
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Malchelosse
• GPS Coordinate Locator Map: Lac Malchelosse Lat/Long