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

• Latitude: 50° 26' 18'' North   (decimal: 50.4383559)
• Longitude: 66° 50' 41'' West   (decimal: -66.8448611)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac Rouillé
• GPS Coordinate Locator Map: Lac Rouillé Lat/Long