Lac du Vingt-Neuf is a Lake located in Lac-Saguay; Antoine-Labelle, Quebec and has an elevation of 426 meters.

• Latitude: 46° 32' 43'' North   (decimal: 46.5452778)
• Longitude: 75° 7' 10'' West   (decimal: -75.1194444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 426 meters
• Location: Lac-Saguay; Antoine-Labelle
• Atlas of Canada Locator Map: Lac du Vingt-Neuf
• GPS Coordinate Locator Map: Lac du Vingt-Neuf Lat/Long