Lac des Trente Milles is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 426 meters.

• Latitude: 48° 34' 16'' North   (decimal: 48.5711111)
• Longitude: 69° 44' 12'' West   (decimal: -69.7366667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 426 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac des Trente Milles
• GPS Coordinate Locator Map: Lac des Trente Milles Lat/Long