Lac du Trente et Un is a Lake located in Lac-Saguay; Antoine-Labelle, Quebec and has an elevation of 399 meters.

• Latitude: 46° 33' 14'' North   (decimal: 46.5538889)
• Longitude: 75° 6' 45'' West   (decimal: -75.1125)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 399 meters
• Location: Lac-Saguay; Antoine-Labelle
• Atlas of Canada Locator Map: Lac du Trente et Un
• GPS Coordinate Locator Map: Lac du Trente et Un Lat/Long