Lac-Johanne is a Unincorporated area located in Sainte-Anne-des-Lacs; Les Pays-d'en-Haut, Quebec and has an elevation of 307 meters.

• Latitude: 45° 50' 15'' North   (decimal: 45.8375418)
• Longitude: 74° 8' 22'' West   (decimal: -74.1393280)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Hameau
• Canadian Province/Territory: Quebec
• Elevation: 307 meters
• Location: Sainte-Anne-des-Lacs; Les Pays-d'en-Haut
• Atlas of Canada Locator Map: Lac-Johanne
• GPS Coordinate Locator Map: Lac-Johanne Lat/Long