Coulée Létourneau is a Valley located in Marsoui; La Haute-Gaspésie, Quebec.

• Latitude: 49° 9' 2'' North   (decimal: 49.1506000)
• Longitude: 65° 58' 28'' West   (decimal: -65.9743877)
• Topography Feature Category: Valley
• Geographical Feature: Ravin
• Canadian Province/Territory: Quebec
• Location: Marsoui; La Haute-Gaspésie
• Atlas of Canada Locator Map: Coulée Létourneau
• GPS Coordinate Locator Map: Coulée Létourneau Lat/Long