Lac Martigny is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 232 meters.

• Latitude: 50° 5' 14'' North   (decimal: 50.0872222)
• Longitude: 79° 7' 8'' West   (decimal: -79.1188888)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 232 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Martigny
• GPS Coordinate Locator Map: Lac Martigny Lat/Long