Lac-Malcolm is a Unincorporated area located in Sayabec; La Matapédia, Quebec.

• Latitude: 48° 35' 21'' North   (decimal: 48.5892105)
• Longitude: 67° 45' 32'' West   (decimal: -67.7588929)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Hameau
• Canadian Province/Territory: Quebec
• Location: Sayabec; La Matapédia
• Atlas of Canada Locator Map: Lac-Malcolm
• GPS Coordinate Locator Map: Lac-Malcolm Lat/Long