Lac Poirier is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 449 meters.

• Latitude: 48° 59' 5'' North   (decimal: 48.9847222)
• Longitude: 74° 28' 11'' West   (decimal: -74.4697222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 449 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Poirier
• GPS Coordinate Locator Map: Lac Poirier Lat/Long