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

• Latitude: 50° 56' 41'' North   (decimal: 50.9447222)
• Longitude: 67° 32' 59'' West   (decimal: -67.5497222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac du Marécage
• GPS Coordinate Locator Map: Lac du Marécage Lat/Long