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

• Latitude: 50° 46' 55'' North   (decimal: 50.7819444)
• Longitude: 67° 39' 2'' West   (decimal: -67.6505556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac de Soubise
• GPS Coordinate Locator Map: Lac de Soubise Lat/Long