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

• Latitude: 49° 52' 19'' North   (decimal: 49.8719901)
• Longitude: 67° 20' 6'' West   (decimal: -67.3349482)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Port-Cartier; Sept-Rivières
• GPS Coordinate Locator Map: Lac Mistecapiu Lat/Long