Lac Mercelin is a Lake located in Port-Cartier; Sept-Rivières, Quebec.

• Latitude: 49° 41' 20'' North   (decimal: 49.6889355)
• Longitude: 67° 24' 25'' West   (decimal: -67.4069172)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Port-Cartier; Sept-Rivières
• Atlas of Canada Locator Map: Lac Mercelin
• GPS Coordinate Locator Map: Lac Mercelin Lat/Long