Acorn Lake is a Lake located in Renfrew, Ontario and has an elevation of 212 meters.

• Latitude: 45° 41' 23'' North   (decimal: 45.6897222)
• Longitude: 77° 36' 46'' West   (decimal: -77.6127777)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 212 meters
• Location: Renfrew
• Atlas of Canada Locator Map: Acorn Lake
• GPS Coordinate Locator Map: Acorn Lake Lat/Long