Lac Éternel is a Lake located in Lac-Walker; Sept-Rivières, Quebec.

• Latitude: 50° 50' 0'' North   (decimal: 50.8333501)
• Longitude: 67° 25' 13'' West   (decimal: -67.4202559)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• GPS Coordinate Locator Map: Lac Éternel Lat/Long