Lac Mantle is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 413 meters.

• Latitude: 49° 11' 47'' North   (decimal: 49.1963889)
• Longitude: 69° 27' 19'' West   (decimal: -69.4552778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 413 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Mantle
• GPS Coordinate Locator Map: Lac Mantle Lat/Long