Lac Mortemart is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 292 meters.

• Latitude: 53° 15' 12'' North   (decimal: 53.2533333)
• Longitude: 75° 27' 1'' West   (decimal: -75.4502778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 292 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Mortemart
• GPS Coordinate Locator Map: Lac Mortemart Lat/Long