Big Lighthouse Lake is a Lake located in Hastings, Ontario and has an elevation of 429 meters.

• Latitude: 45° 11' 23'' North   (decimal: 45.1897222)
• Longitude: 78° 2' 1'' West   (decimal: -78.0336111)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 429 meters
• Location: Hastings
• Atlas of Canada Locator Map: Big Lighthouse Lake
• GPS Coordinate Locator Map: Big Lighthouse Lake Lat/Long