Le Lost River is a Unincorporated area located in Harrington; Argenteuil, Quebec and has an elevation of 262 meters.

• Latitude: 45° 50' North   (decimal: 45.8333333)
• Longitude: 74° 31' West   (decimal: -74.5166667)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Lieu-dit
• Canadian Province/Territory: Quebec
• Elevation: 262 meters
• Location: Harrington; Argenteuil
• Atlas of Canada Locator Map: Le Lost River
• GPS Coordinate Locator Map: Le Lost River Lat/Long