Lac Poison is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 356 meters.

• Latitude: 49° 2' 52'' North   (decimal: 49.0477777)
• Longitude: 79° 25' 22'' West   (decimal: -79.4227777)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 356 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Poison
• GPS Coordinate Locator Map: Lac Poison Lat/Long