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

• Latitude: 48° 56' 7'' North   (decimal: 48.9352778)
• Longitude: 70° 53' 50'' West   (decimal: -70.8972222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Sheagh
• GPS Coordinate Locator Map: Lac Sheagh Lat/Long