Lac Joubin is a Lake located in Rivière-Koksoak; Kativik, Quebec and has an elevation of 124 meters.

• Latitude: 59° 46' 22'' North   (decimal: 59.7727147)
• Longitude: 69° 59' 11'' West   (decimal: -69.9864760)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 124 meters
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Joubin
• GPS Coordinate Locator Map: Lac Joubin Lat/Long