Lac à Poisson is a Lake located in Madawaska, New Brunswick and has an elevation of 303 meters.

• Latitude: 47° 27' 30'' North   (decimal: 47.4584355)
• Longitude: 68° 9' 20'' West   (decimal: -68.1555952)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: New Brunswick
• Elevation: 303 meters
• Location: Madawaska
• Atlas of Canada Locator Map: Lac à Poisson
• GPS Coordinate Locator Map: Lac à Poisson Lat/Long