Folly Lake is a Lake located in Nipissing, Ontario and has an elevation of 411 meters.

• Latitude: 45° 57' 23'' North   (decimal: 45.9563888)
• Longitude: 78° 23' 56'' West   (decimal: -78.3988888)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 411 meters
• Location: Nipissing
• Atlas of Canada Locator Map: Folly Lake
• GPS Coordinate Locator Map: Folly Lake Lat/Long