Lydia Islet is a Island located in Muskoka, Ontario and has an elevation of 247 meters.

• Latitude: 45° 11' 8'' North   (decimal: 45.1855555)
• Longitude: 79° 34' 10'' West   (decimal: -79.5694444)
• Topography Feature Category: Island
• Geographical Feature: Islet
• Canadian Province/Territory: Ontario
• Elevation: 247 meters
• Location: Muskoka
• Atlas of Canada Locator Map: Lydia Islet
• GPS Coordinate Locator Map: Lydia Islet Lat/Long