Lac Lajeunesse is a Lake located in Amherst; Les Laurentides, Quebec and has an elevation of 215 meters.

• Latitude: 45° 59' 53'' North   (decimal: 45.9980555)
• Longitude: 74° 45' 43'' West   (decimal: -74.7619444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 215 meters
• Location: Amherst; Les Laurentides
• Atlas of Canada Locator Map: Lac Lajeunesse
• GPS Coordinate Locator Map: Lac Lajeunesse Lat/Long