Lac à la Tortue is a Lake located in Waltham; Pontiac, Quebec.

• Latitude: 46° 7' 9'' North   (decimal: 46.1192234)
• Longitude: 76° 53' 54'' West   (decimal: -76.8983300)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Waltham; Pontiac
• Atlas of Canada Locator Map: Lac à la Tortue
• GPS Coordinate Locator Map: Lac à la Tortue Lat/Long