Petits lacs Castors is a Lake located in Mont-Valin; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 49' 7'' North   (decimal: 48.8186111)
• Longitude: 71° 11' 53'' West   (decimal: -71.1980556)
• Topography Feature Category: Lake
• Geographical Feature: Lacs
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Petits lacs Castors
• GPS Coordinate Locator Map: Petits lacs Castors Lat/Long