Lac Duthier is a Lake located in Lac-Walker; Sept-Rivières, Quebec.

• Latitude: 50° 10' 26'' North   (decimal: 50.1739340)
• Longitude: 66° 48' 43'' West   (decimal: -66.8118662)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac Duthier
• GPS Coordinate Locator Map: Lac Duthier Lat/Long