Eighteen Mile Lake is a Lake located in Haliburton; Muskoka, Ontario and has an elevation of 380 meters.

• Latitude: 45° 22' 58'' North   (decimal: 45.3827777)
• Longitude: 78° 57' 45'' West   (decimal: -78.9625000)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 380 meters
• Location: Haliburton; Muskoka
• Atlas of Canada Locator Map: Eighteen Mile Lake
• GPS Coordinate Locator Map: Eighteen Mile Lake Lat/Long