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

• Latitude: 50° 46' 30'' North   (decimal: 50.775)
• Longitude: 67° 18' 39'' West   (decimal: -67.3108333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac de Quatre Heures
• GPS Coordinate Locator Map: Lac de Quatre Heures Lat/Long