Lac Constantin is a Lake located in Lac-Blanc; Portneuf, Quebec and has an elevation of 467 meters.

• Latitude: 47° 21' 56'' North   (decimal: 47.3655841)
• Longitude: 72° 0' 23'' West   (decimal: -72.0064766)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 467 meters
• Location: Lac-Blanc; Portneuf
• Atlas of Canada Locator Map: Lac Constantin
• GPS Coordinate Locator Map: Lac Constantin Lat/Long