Grand fossé des Terres Noires is a Hydraulic construction located in L'Assomption; L'Assomption, Quebec and has an elevation of 20 meters.

• Latitude: 45° 49' 27'' North   (decimal: 45.8242053)
• Longitude: 73° 26' 17'' West   (decimal: -73.4381932)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Fossé
• Canadian Province/Territory: Quebec
• Elevation: 20 meters
• Location: L'Assomption; L'Assomption
• Atlas of Canada Locator Map: Grand fossé des Terres Noires
• GPS Coordinate Locator Map: Grand fossé des Terres Noires Lat/Long