Lac Joseph is a Lake located in Mont-Valin; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 51' 41'' North   (decimal: 48.8613889)
• Longitude: 71° 21' 16'' West   (decimal: -71.3544444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• GPS Coordinate Locator Map: Lac Joseph Lat/Long