Étang Henri is a Lake located in Lac-Nilgaut; Pontiac, Quebec.

• Latitude: 46° 53' 49'' North   (decimal: 46.8969444)
• Longitude: 77° 36' 57'' West   (decimal: -77.6158333)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Étang Henri
• GPS Coordinate Locator Map: Étang Henri Lat/Long