Grand lac Serpent is a Lake located in Sainte-Anne-du-Lac; Antoine-Labelle, Quebec and has an elevation of 302 meters.

• Latitude: 46° 57' 26'' North   (decimal: 46.9572222)
• Longitude: 75° 25' 10'' West   (decimal: -75.4194444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 302 meters
• Location: Sainte-Anne-du-Lac; Antoine-Labelle
• Atlas of Canada Locator Map: Grand lac Serpent
• GPS Coordinate Locator Map: Grand lac Serpent Lat/Long