Lac Duck is a Lake located in Franquelin; Manicouagan, Quebec and has an elevation of 219 meters.

• Latitude: 49° 24' 3'' North   (decimal: 49.4008796)
• Longitude: 67° 47' 58'' West   (decimal: -67.7994548)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 219 meters
• Location: Franquelin; Manicouagan
• Atlas of Canada Locator Map: Lac Duck
• GPS Coordinate Locator Map: Lac Duck Lat/Long