Lac de la Martre is a Lake located in Lac-Matawin; Matawinie, Quebec.

• Latitude: 47° 0' 43'' North   (decimal: 47.0119982)
• Longitude: 74° 27' 7'' West   (decimal: -74.4518228)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Matawin; Matawinie
• Atlas of Canada Locator Map: Lac de la Martre
• GPS Coordinate Locator Map: Lac de la Martre Lat/Long