Lac Étienne is a Lake located in Rivière-Éternité; Le Fjord-du-Saguenay, Quebec and has an elevation of 428 meters.

• Latitude: 48° 17' 34'' North   (decimal: 48.2928069)
• Longitude: 70° 25' 9'' West   (decimal: -70.4192354)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 428 meters
• Location: Rivière-Éternité; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Étienne
• GPS Coordinate Locator Map: Lac Étienne Lat/Long