Ruisseau à Louis-Gagnon is a River located in Port-Cartier; Sept-Rivières, Quebec.

• Latitude: 49° 49' 33'' North   (decimal: 49.8258793)
• Longitude: 67° 2' 50'' West   (decimal: -67.0471812)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Location: Port-Cartier; Sept-Rivières
• Atlas of Canada Locator Map: Ruisseau à Louis-Gagnon
• GPS Coordinate Locator Map: Ruisseau à Louis-Gagnon Lat/Long