Lac du Couchant is a Lake located in Lac-Lapeyrère; Portneuf, Quebec and has an elevation of 344 meters.

• Latitude: 47° 11' 22'' North   (decimal: 47.1894444)
• Longitude: 72° 23' 21'' West   (decimal: -72.3891667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 344 meters
• Location: Lac-Lapeyrère; Portneuf
• Atlas of Canada Locator Map: Lac du Couchant
• GPS Coordinate Locator Map: Lac du Couchant Lat/Long