Troisième Grand Fossé is a River located in Sainte-Élisabeth; D'Autray, Quebec and has an elevation of 35 meters.

• Latitude: 46° 5' 7'' North   (decimal: 46.0853118)
• Longitude: 73° 18' 25'' West   (decimal: -73.3070753)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Elevation: 35 meters
• Location: Sainte-Élisabeth; D'Autray
• Atlas of Canada Locator Map: Troisième Grand Fossé
• GPS Coordinate Locator Map: Troisième Grand Fossé Lat/Long