Overflow is a Unincorporated area located in Rainy River, Ontario and has an elevation of 395 meters.

• Latitude: 48° 45' 27'' North   (decimal: 48.7575000)
• Longitude: 91° 41' 20'' West   (decimal: -91.6888888)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Railway Point
• Canadian Province/Territory: Ontario
• Elevation: 395 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Overflow
• GPS Coordinate Locator Map: Overflow Lat/Long