Lac Tranquille is a Lake located in Lac-Bazinet; Antoine-Labelle, Quebec.

• Latitude: 47° 44' 15'' North   (decimal: 47.7375)
• Longitude: 75° 10' 12'' West   (decimal: -75.17)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Bazinet; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Tranquille
• GPS Coordinate Locator Map: Lac Tranquille Lat/Long