Bois Blanc Island Lighthouse and Blockhouse National Historic Site of Canada is a Conservation area located in Essex, Ontario.

• Latitude: 42° 5' 15'' North   (decimal: 42.0874998)
• Longitude: 83° 7' 15'' West   (decimal: -83.1208328)
• Topography Feature Category: Conservation area
• Geographical Feature: National Historic Site
• Canadian Province/Territory: Ontario
• Location: Essex
• Atlas of Canada Locator Map: Bois Blanc Island Lighthouse and Blockhouse National Historic Site of Canada
• GPS Coordinate Locator Map: Bois Blanc Island Lighthouse and Blockhouse National Historic Site of Canada Lat/Long