Lac à Mars is a Lake located in Lac-Pikauba; Charlevoix, Quebec and has an elevation of 890 meters.

• Latitude: 47° 48' 45'' North   (decimal: 47.8125)
• Longitude: 71° 2' 2'' West   (decimal: -71.0338889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 890 meters
• Location: Lac-Pikauba; Charlevoix
• Atlas of Canada Locator Map: Lac à Mars
• GPS Coordinate Locator Map: Lac à Mars Lat/Long