Lac Lost is a Lake located in Linton; Portneuf, Quebec.

• Latitude: 47° 8' 23'' North   (decimal: 47.1397222)
• Longitude: 72° 7' 18'' West   (decimal: -72.1216667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Linton; Portneuf
• GPS Coordinate Locator Map: Lac Lost Lat/Long