Lac Descôteaux is a Lake located in Lac-Walker; Sept-Rivières, Quebec and has an elevation of 418 meters.

• Latitude: 49° 35' 38'' North   (decimal: 49.5938889)
• Longitude: 67° 33' 46'' West   (decimal: -67.5627778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 418 meters
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac Descôteaux
• GPS Coordinate Locator Map: Lac Descôteaux Lat/Long