Lac Lett is a Lake located in L'Île-du-Grand-Calumet; Pontiac, Quebec and has an elevation of 120 meters.

• Latitude: 45° 44' 35'' North   (decimal: 45.7430556)
• Longitude: 76° 42' 40'' West   (decimal: -76.7111111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 120 meters
• Location: L'Île-du-Grand-Calumet; Pontiac
• Atlas of Canada Locator Map: Lac Lett
• GPS Coordinate Locator Map: Lac Lett Lat/Long