Lac Marginal is a Lake located in Matchi-Manitou; Vallée-de-l'Or, Quebec and has an elevation of 421 meters.

• Latitude: 47° 55' 21'' North   (decimal: 47.9225)
• Longitude: 76° 37' 47'' West   (decimal: -76.6297222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 421 meters
• Location: Matchi-Manitou; Vallée-de-l'Or
• Atlas of Canada Locator Map: Lac Marginal
• GPS Coordinate Locator Map: Lac Marginal Lat/Long