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

• Latitude: 50° 13' 26'' North   (decimal: 50.2238889)
• Longitude: 67° 32' 19'' West   (decimal: -67.5386111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac Gambeau
• GPS Coordinate Locator Map: Lac Gambeau Lat/Long