Lac en U is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 487 meters.

• Latitude: 49° 49' 44'' North   (decimal: 49.8288889)
• Longitude: 72° 20' 44'' West   (decimal: -72.3455556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 487 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac en U
• GPS Coordinate Locator Map: Lac en U Lat/Long