Big Sawbill Lake is a Lake located in Rainy River, Ontario and has an elevation of 354 meters.

• Latitude: 48° 54' 4'' North   (decimal: 48.9011111)
• Longitude: 93° 0' 7'' West   (decimal: -93.0019444)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 354 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Big Sawbill Lake
• GPS Coordinate Locator Map: Big Sawbill Lake Lat/Long