Lac des Prairies is a Lake located in Sainte-Louise; L'Islet, Quebec and has an elevation of 344 meters.

• Latitude: 47° 16' 14'' North   (decimal: 47.2705781)
• Longitude: 70° 2' 32'' West   (decimal: -70.0422853)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 344 meters
• Location: Sainte-Louise; L'Islet
• Atlas of Canada Locator Map: Lac des Prairies
• GPS Coordinate Locator Map: Lac des Prairies Lat/Long