Montagne du Petit Duplessis is a Mountain located in Lac-Oscar; Antoine-Labelle, Quebec.

• Latitude: 47° 20' 46'' North   (decimal: 47.3461111)
• Longitude: 75° 15' 48'' West   (decimal: -75.2633333)
• Topography Feature Category: Mountain
• Geographical Feature: Mont
• Canadian Province/Territory: Quebec
• Location: Lac-Oscar; Antoine-Labelle
• Atlas of Canada Locator Map: Montagne du Petit Duplessis
• GPS Coordinate Locator Map: Montagne du Petit Duplessis Lat/Long