Lac Lajeunesse is a Lake located in Notre-Dame-du-Laus; Antoine-Labelle, Quebec and has an elevation of 301 meters.

• Latitude: 46° 1' 16'' North   (decimal: 46.0211111)
• Longitude: 75° 30' 10'' West   (decimal: -75.5027778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 301 meters
• Location: Notre-Dame-du-Laus; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Lajeunesse
• GPS Coordinate Locator Map: Lac Lajeunesse Lat/Long