Lac Mésy is a Lake located in Hébertville; Lac-Saint-Jean-Est, Quebec and has an elevation of 409 meters.

• Latitude: 48° 15' 41'' North   (decimal: 48.2613889)
• Longitude: 71° 38' 15'' West   (decimal: -71.6375)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 409 meters
• Location: Hébertville; Lac-Saint-Jean-Est
• Atlas of Canada Locator Map: Lac Mésy
• GPS Coordinate Locator Map: Lac Mésy Lat/Long