Lac Descoteaux is a Lake located in Rivière-de-la-Savane; Mékinac, Quebec and has an elevation of 484 meters.

• Latitude: 46° 59' 28'' North   (decimal: 46.9911506)
• Longitude: 73° 33' 12'' West   (decimal: -73.5534682)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 484 meters
• Location: Rivière-de-la-Savane; Mékinac
• Atlas of Canada Locator Map: Lac Descoteaux
• GPS Coordinate Locator Map: Lac Descoteaux Lat/Long