Le Grand Marais is a Low vegetation located in Saint-Sulpice; L'Assomption, Quebec and has an elevation of 16 meters.

• Latitude: 45° 49' 40'' North   (decimal: 45.8277777)
• Longitude: 73° 18' 32'' West   (decimal: -73.3088888)
• Topography Feature Category: Low vegetation
• Geographical Feature: Marais
• Canadian Province/Territory: Quebec
• Elevation: 16 meters
• Location: Saint-Sulpice; L'Assomption
• Atlas of Canada Locator Map: Le Grand Marais
• GPS Coordinate Locator Map: Le Grand Marais Lat/Long