Petit lac des Monts is a Lake located in Mont-Valin; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 21' 51'' North   (decimal: 48.3641914)
• Longitude: 70° 5' 23'' West   (decimal: -70.0897811)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• GPS Coordinate Locator Map: Petit lac des Monts Lat/Long