Cours d'eau Vachon is a River located in Saint-Just-de-Bretenières; Montmagny, Quebec.

• Latitude: 46° 35' 29'' North   (decimal: 46.5914165)
• Longitude: 70° 3' 1'' West   (decimal: -70.0503451)
• Topography Feature Category: River
• Geographical Feature: Cours d'eau agricole
• Canadian Province/Territory: Quebec
• Location: Saint-Just-de-Bretenières; Montmagny
• Atlas of Canada Locator Map: Cours d'eau Vachon
• GPS Coordinate Locator Map: Cours d'eau Vachon Lat/Long