Lac des Âges de l'Éternité is a Lake located in Lac-Lenôtre; La Vallée-de-la-Gatineau, Quebec.

• Latitude: 47° 18' 40'' North   (decimal: 47.3111789)
• Longitude: 76° 5' 34'' West   (decimal: -76.0927117)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Lenôtre; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac des Âges de l'Éternité
• GPS Coordinate Locator Map: Lac des Âges de l'Éternité Lat/Long