Duff Lake is a Lake located in Nipissing, Ontario and has an elevation of 244 meters.

• Latitude: 46° 28' 43'' North   (decimal: 46.4786111)
• Longitude: 80° 4' 44'' West   (decimal: -80.0788888)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 244 meters
• Location: Nipissing
• Atlas of Canada Locator Map: Duff Lake
• GPS Coordinate Locator Map: Duff Lake Lat/Long