Roche à Besson is a Shoal located in Cascades-Malignes; La Vallée-de-la-Gatineau, Quebec.

• Latitude: 46° 48' 53'' North   (decimal: 46.8147812)
• Longitude: 75° 54' 55'' West   (decimal: -75.9152149)
• Topography Feature Category: Shoal
• Geographical Feature: Haut-fond
• Canadian Province/Territory: Quebec
• Location: Cascades-Malignes; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Roche à Besson
• GPS Coordinate Locator Map: Roche à Besson Lat/Long