Lac Hélène is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 286 meters.

• Latitude: 48° 58' 35'' North   (decimal: 48.9763889)
• Longitude: 72° 52' 8'' West   (decimal: -72.8688889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 286 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Hélène
• GPS Coordinate Locator Map: Lac Hélène Lat/Long