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

• Latitude: 49° 18' 2'' North   (decimal: 49.3005952)
• Longitude: 70° 10' 38'' West   (decimal: -70.1773063)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac à Ghis
• GPS Coordinate Locator Map: Lac à Ghis Lat/Long