Seigneurie de Beauharnois is a Geographical area located in Saint-Étienne-de-Beauharnois; Beauharnois-Salaberry, Quebec.

• Latitude: 45° 13' North   (decimal: 45.2166667)
• Longitude: 73° 55' West   (decimal: -73.9166666)
• Topography Feature Category: Geographical area
• Geographical Feature: Seigneurie
• Canadian Province/Territory: Quebec
• Location: Saint-Étienne-de-Beauharnois; Beauharnois-Salaberry
• Atlas of Canada Locator Map: Seigneurie de Beauharnois
• GPS Coordinate Locator Map: Seigneurie de Beauharnois Lat/Long