Troisième lac Ciseau is a Lake located in Mont-Valin; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 30' 36'' North   (decimal: 48.51)
• Longitude: 70° 10' 30'' West   (decimal: -70.175)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Troisième lac Ciseau
• GPS Coordinate Locator Map: Troisième lac Ciseau Lat/Long