Ruisseau des Gagnon is a River located in Saint-Tharcisius; La Matapédia, Quebec.

• Latitude: 48° 33' 27'' North   (decimal: 48.5575457)
• Longitude: 67° 18' 53'' West   (decimal: -67.3147115)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Location: Saint-Tharcisius; La Matapédia
• GPS Coordinate Locator Map: Ruisseau des Gagnon Lat/Long