Petit lac Lachance is a Lake located in Sainte-Justine; Les Etchemins, Quebec and has an elevation of 404 meters.

• Latitude: 46° 25' 7'' North   (decimal: 46.4186110)
• Longitude: 70° 22' 9'' West   (decimal: -70.3691666)
• Topography Feature Category: Lake
• Geographical Feature: Lac artificiel
• Canadian Province/Territory: Quebec
• Elevation: 404 meters
• Location: Sainte-Justine; Les Etchemins
• Atlas of Canada Locator Map: Petit lac Lachance
• GPS Coordinate Locator Map: Petit lac Lachance Lat/Long