Demarco Lake is a Lake located in Renfrew, Ontario and has an elevation of 179 meters.

• Latitude: 46° 11' 55'' North   (decimal: 46.1986111)
• Longitude: 77° 53' 14'' West   (decimal: -77.8872222)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 179 meters
• Location: Renfrew
• Atlas of Canada Locator Map: Demarco Lake
• GPS Coordinate Locator Map: Demarco Lake Lat/Long