Île du Mur du Son is a Island located in Lac-Walker; Sept-Rivières, Quebec.

• Latitude: 51° 29' 27'' North   (decimal: 51.4908963)
• Longitude: 66° 52' 18'' West   (decimal: -66.8716168)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Île du Mur du Son
• GPS Coordinate Locator Map: Île du Mur du Son Lat/Long