Lac Wessonneau is a Lake located in Lac-Normand; Mékinac, Quebec and has an elevation of 286 meters.

• Latitude: 47° 4' 1'' North   (decimal: 47.0669444)
• Longitude: 73° 4' 33'' West   (decimal: -73.0758333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 286 meters
• Location: Lac-Normand; Mékinac
• Atlas of Canada Locator Map: Lac Wessonneau
• GPS Coordinate Locator Map: Lac Wessonneau Lat/Long