Lac de la Martre is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec.

• Latitude: 48° 19' 31'' North   (decimal: 48.3252778)
• Longitude: 72° 36' 44'' West   (decimal: -72.6122222)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac de la Martre
• GPS Coordinate Locator Map: Lac de la Martre Lat/Long