Fat Lake is a Lake located in Nipissing, Ontario and has an elevation of 405 meters.

• Latitude: 47° 13' 36'' North   (decimal: 47.2266666)
• Longitude: 79° 40' 36'' West   (decimal: -79.6766666)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 405 meters
• Location: Nipissing
• Atlas of Canada Locator Map: Fat Lake
• GPS Coordinate Locator Map: Fat Lake Lat/Long