Lac Hélène is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 440 meters.

• Latitude: 50° 10' 15'' North   (decimal: 50.1708333)
• Longitude: 72° 39' 12'' West   (decimal: -72.6533333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 440 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Hélène
• GPS Coordinate Locator Map: Lac Hélène Lat/Long