Lac à la Tortue is a Lake located in Saint-Guillaume-Nord; Matawinie, Quebec and has an elevation of 518 meters.

• Latitude: 46° 27' 19'' North   (decimal: 46.4553156)
• Longitude: 73° 47' 6'' West   (decimal: -73.7848668)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 518 meters
• Location: Saint-Guillaume-Nord; Matawinie
• Atlas of Canada Locator Map: Lac à la Tortue
• GPS Coordinate Locator Map: Lac à la Tortue Lat/Long