Lac Effilé is a Lake located in Saint-Alexis-des-Monts; Maskinongé, Quebec and has an elevation of 382 meters.

• Latitude: 46° 40' 2'' North   (decimal: 46.6672527)
• Longitude: 73° 8' 27'' West   (decimal: -73.1409615)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 382 meters
• Location: Saint-Alexis-des-Monts; Maskinongé
• Atlas of Canada Locator Map: Lac Effilé
• GPS Coordinate Locator Map: Lac Effilé Lat/Long