Coulée Atanache is a Valley located in Lac-Walker; Sept-Rivières, Quebec and has an elevation of 319 meters.

• Latitude: 50° 19' 13'' North   (decimal: 50.3202778)
• Longitude: 67° 8' 59'' West   (decimal: -67.1497222)
• Topography Feature Category: Valley
• Geographical Feature: Ravin
• Canadian Province/Territory: Quebec
• Elevation: 319 meters
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Coulée Atanache
• GPS Coordinate Locator Map: Coulée Atanache Lat/Long