Lac à Henri is a Lake located in Les Îles-de-la-Madeleine; Les Îles-de-la-Madeleine, Quebec.

• Latitude: 47° 23' 22'' North   (decimal: 47.3895125)
• Longitude: 61° 51' 51'' West   (decimal: -61.8642824)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Les Îles-de-la-Madeleine; Les Îles-de-la-Madeleine
• Atlas of Canada Locator Map: Lac à Henri
• GPS Coordinate Locator Map: Lac à Henri Lat/Long