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

• Latitude: 50° 10' 2'' North   (decimal: 50.1672636)
• Longitude: 67° 22' 12'' West   (decimal: -67.3699362)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac Deken
• GPS Coordinate Locator Map: Lac Deken Lat/Long