Lac-Joannès is a Unincorporated area located in Rouyn-Noranda; Rouyn-Noranda, Quebec and has an elevation of 291 meters.

• Latitude: 48° 12' 24'' North   (decimal: 48.2067542)
• Longitude: 78° 40' 46'' West   (decimal: -78.6795182)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Hameau
• Canadian Province/Territory: Quebec
• Elevation: 291 meters
• Location: Rouyn-Noranda; Rouyn-Noranda
• Atlas of Canada Locator Map: Lac-Joannès
• GPS Coordinate Locator Map: Lac-Joannès Lat/Long