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

• Latitude: 49° 14' 0'' North   (decimal: 49.2333702)
• Longitude: 70° 5' 1'' West   (decimal: -70.0836896)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Petit lac du Grand-Bill
• GPS Coordinate Locator Map: Petit lac du Grand-Bill Lat/Long