Lieu historique national du Canada du Fort-Wellington is a Conservation area located in Grenville, Ontario.

• Latitude: 44° 42' 50'' North   (decimal: 44.7138888)
• Longitude: 75° 30' 40'' West   (decimal: -75.511111)
• Topography Feature Category: Conservation area
• Geographical Feature: Lieu historique national
• Canadian Province/Territory: Ontario
• Location: Grenville
• Atlas of Canada Locator Map: Lieu historique national du Canada du Fort-Wellington
• GPS Coordinate Locator Map: Lieu historique national du Canada du Fort-Wellington Lat/Long