Lac Martin is a Lake located in Mont-Valin; Le Fjord-du-Saguenay, Quebec and has an elevation of 708 meters.

• Latitude: 48° 38' 16'' North   (decimal: 48.6377778)
• Longitude: 70° 37' 35'' West   (decimal: -70.6263889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 708 meters
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Martin
• GPS Coordinate Locator Map: Lac Martin Lat/Long