Lac Hélène is a Lake located in Rivière-Mouchalagane; Caniapiscau, Quebec and has an elevation of 637 meters.

• Latitude: 52° 40' 37'' North   (decimal: 52.6769444)
• Longitude: 67° 42' 41'' West   (decimal: -67.7113888)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 637 meters
• Location: Rivière-Mouchalagane; Caniapiscau
• Atlas of Canada Locator Map: Lac Hélène
• GPS Coordinate Locator Map: Lac Hélène Lat/Long