Lac Marillac is a Lake located in Rouyn-Noranda; Rouyn-Noranda, Quebec and has an elevation of 274 meters.

• Latitude: 48° 16' 26'' North   (decimal: 48.2738888)
• Longitude: 78° 50' 33'' West   (decimal: -78.8424999)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 274 meters
• Location: Rouyn-Noranda; Rouyn-Noranda
• Atlas of Canada Locator Map: Lac Marillac
• GPS Coordinate Locator Map: Lac Marillac Lat/Long