Lac du Poisson Blanc is a Lake located in Saint-Vianney; La Matapédia, Quebec.

• Latitude: 48° 39' 4'' North   (decimal: 48.6511111)
• Longitude: 67° 28' 34'' West   (decimal: -67.4761111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Vianney; La Matapédia
• Atlas of Canada Locator Map: Lac du Poisson Blanc
• GPS Coordinate Locator Map: Lac du Poisson Blanc Lat/Long