Lac Marius is a Lake located in Lac-Pikauba; Charlevoix, Quebec and has an elevation of 988 meters.

• Latitude: 47° 52' 3'' North   (decimal: 47.8675)
• Longitude: 70° 53' 11'' West   (decimal: -70.8863889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 988 meters
• Location: Lac-Pikauba; Charlevoix
• Atlas of Canada Locator Map: Lac Marius
• GPS Coordinate Locator Map: Lac Marius Lat/Long