Lac à Louis is a Lake located in Hébertville; Lac-Saint-Jean-Est, Quebec.

• Latitude: 48° 21' 42'' North   (decimal: 48.3616667)
• Longitude: 71° 34' 24'' West   (decimal: -71.5733333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Hébertville; Lac-Saint-Jean-Est
• Atlas of Canada Locator Map: Lac à Louis
• GPS Coordinate Locator Map: Lac à Louis Lat/Long