Rivière à la Marte Ouest is a River located in La Martre; La Haute-Gaspésie, Quebec.

• Latitude: 49° 11' 54'' North   (decimal: 49.1983776)
• Longitude: 66° 10' 7'' West   (decimal: -66.1685607)
• Topography Feature Category: River
• Geographical Feature: Rivière
• Canadian Province/Territory: Quebec
• Location: La Martre; La Haute-Gaspésie
• GPS Coordinate Locator Map: Rivière à la Marte Ouest Lat/Long