Lac Marshall is a Lake located in Lac-Saguay; Antoine-Labelle, Quebec and has an elevation of 405 meters.

• Latitude: 46° 31' 33'' North   (decimal: 46.5258333)
• Longitude: 75° 10' 7'' West   (decimal: -75.1686111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 405 meters
• Location: Lac-Saguay; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Marshall
• GPS Coordinate Locator Map: Lac Marshall Lat/Long