Cours d'eau Tanguay is a River located in Gallichan; Abitibi-Ouest, Quebec.

• Latitude: 48° 38' 34'' North   (decimal: 48.6428691)
• Longitude: 79° 15' 35'' West   (decimal: -79.2598207)
• Topography Feature Category: River
• Geographical Feature: Cours d'eau agricole
• Canadian Province/Territory: Quebec
• Location: Gallichan; Abitibi-Ouest
• Atlas of Canada Locator Map: Cours d'eau Tanguay
• GPS Coordinate Locator Map: Cours d'eau Tanguay Lat/Long