La Grosse Montagne is a Mountain located in Saint-Antoine-de-l'Isle-aux-Grues; Montmagny, Quebec and has an elevation of 1 meters.

• Latitude: 47° 7' 41'' North   (decimal: 47.1280782)
• Longitude: 70° 30' 7'' West   (decimal: -70.5020214)
• Topography Feature Category: Mountain
• Geographical Feature: Mont
• Canadian Province/Territory: Quebec
• Elevation: 1 meters
• Location: Saint-Antoine-de-l'Isle-aux-Grues; Montmagny
• Atlas of Canada Locator Map: La Grosse Montagne
• GPS Coordinate Locator Map: La Grosse Montagne Lat/Long