Petit lac Mésy is a Lake located in Hébertville; Lac-Saint-Jean-Est, Quebec and has an elevation of 401 meters.

• Latitude: 48° 15' 33'' North   (decimal: 48.2591667)
• Longitude: 71° 40' 10'' West   (decimal: -71.6694444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 401 meters
• Location: Hébertville; Lac-Saint-Jean-Est
• Atlas of Canada Locator Map: Petit lac Mésy
• GPS Coordinate Locator Map: Petit lac Mésy Lat/Long