Lac Tranquille is a Lake located in La Tuque; Le Haut-Saint-Maurice, Quebec and has an elevation of 543 meters.

• Latitude: 48° 17' 16'' North   (decimal: 48.2877778)
• Longitude: 73° 32' 57'' West   (decimal: -73.5491667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 543 meters
• Location: La Tuque; Le Haut-Saint-Maurice
• Atlas of Canada Locator Map: Lac Tranquille
• GPS Coordinate Locator Map: Lac Tranquille Lat/Long