Lac Rouillard is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 274 meters.

• Latitude: 49° 35' 30'' North   (decimal: 49.5916666)
• Longitude: 78° 49' 49'' West   (decimal: -78.8302778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 274 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Rouillard
• GPS Coordinate Locator Map: Lac Rouillard Lat/Long