Lac Têtu is a Lake located in Saint-Thomas-Didyme; Maria-Chapdelaine, Quebec and has an elevation of 266 meters.

• Latitude: 48° 54' 41'' North   (decimal: 48.9114166)
• Longitude: 72° 54' 47'' West   (decimal: -72.9131189)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 266 meters
• Location: Saint-Thomas-Didyme; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Têtu
• GPS Coordinate Locator Map: Lac Têtu Lat/Long