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

• Latitude: 49° 13' 35'' North   (decimal: 49.2264291)
• Longitude: 70° 53' 23'' West   (decimal: -70.8897918)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Blanchette
• GPS Coordinate Locator Map: Lac Blanchette Lat/Long