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

• Latitude: 50° 20' 42'' North   (decimal: 50.3450654)
• Longitude: 70° 19' 23'' West   (decimal: -70.3231676)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Cisco
• GPS Coordinate Locator Map: Lac Cisco Lat/Long