Grand lac Dumouchel is a Lake located in Mont-Laurier; Antoine-Labelle, Quebec.

• Latitude: 46° 36' 24'' North   (decimal: 46.6066667)
• Longitude: 75° 33' 46'' West   (decimal: -75.5627777)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Laurier; Antoine-Labelle
• Atlas of Canada Locator Map: Grand lac Dumouchel
• GPS Coordinate Locator Map: Grand lac Dumouchel Lat/Long