Lac Poirier is a Lake located in Guérin; Témiscamingue, Quebec and has an elevation of 272 meters.

• Latitude: 47° 37' 17'' North   (decimal: 47.6213889)
• Longitude: 79° 15' 20'' West   (decimal: -79.2555556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 272 meters
• Location: Guérin; Témiscamingue
• Atlas of Canada Locator Map: Lac Poirier
• GPS Coordinate Locator Map: Lac Poirier Lat/Long