Lac Marion is a Lake located in Nouveau-Québec (territoire); Nord-du-Québec, Quebec.

• Latitude: 54° 48' 48'' North   (decimal: 54.8133333)
• Longitude: 65° 52' 4'' West   (decimal: -65.8677778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Nouveau-Québec (territoire); Nord-du-Québec
• Atlas of Canada Locator Map: Lac Marion
• GPS Coordinate Locator Map: Lac Marion Lat/Long