Lac Dudemaine is a Lake located in Sainte-Gertrude-Manneville; Abitibi, Quebec and has an elevation of 324 meters.

• Latitude: 48° 33' 23'' North   (decimal: 48.5563889)
• Longitude: 78° 13' 41'' West   (decimal: -78.2280555)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 324 meters
• Location: Sainte-Gertrude-Manneville; Abitibi
• Atlas of Canada Locator Map: Lac Dudemaine
• GPS Coordinate Locator Map: Lac Dudemaine Lat/Long