Big Boulder Lake is a Lake located in Ontario.

• Latitude: 48° 12' 39'' North   (decimal: 48.2107999)
• Longitude: 82° 15' 39'' West   (decimal: -82.2608000)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• GPS Coordinate Locator Map: Big Boulder Lake Lat/Long