O'Melia Lake is a Lake located in Northumberland, Ontario and has an elevation of 236 meters.

• Latitude: 44° 16' 6'' North   (decimal: 44.2683333)
• Longitude: 77° 57' 58'' West   (decimal: -77.9661111)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 236 meters
• Location: Northumberland
• Atlas of Canada Locator Map: O'Melia Lake
• GPS Coordinate Locator Map: O'Melia Lake Lat/Long