Lac Watt is a Lake located in Port-Cartier; Sept-Rivières, Quebec and has an elevation of 289 meters.

• Latitude: 49° 39' 1'' North   (decimal: 49.6503242)
• Longitude: 67° 22' 20'' West   (decimal: -67.3722000)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 289 meters
• Location: Port-Cartier; Sept-Rivières
• Atlas of Canada Locator Map: Lac Watt
• GPS Coordinate Locator Map: Lac Watt Lat/Long