Lac Debonne is a Lake located in Saint-Dominique-du-Rosaire; Abitibi, Quebec and has an elevation of 311 meters.

• Latitude: 48° 43' 55'' North   (decimal: 48.7319444)
• Longitude: 77° 52' 48'' West   (decimal: -77.88)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 311 meters
• Location: Saint-Dominique-du-Rosaire; Abitibi
• Atlas of Canada Locator Map: Lac Debonne
• GPS Coordinate Locator Map: Lac Debonne Lat/Long