Plainville is a Unincorporated area located in Northumberland, Ontario and has an elevation of 264 meters.

• Latitude: 44° 5' 24'' North   (decimal: 44.0899999)
• Longitude: 78° 13' 20'' West   (decimal: -78.2222222)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Dispersed Rural Community
• Canadian Province/Territory: Ontario
• Elevation: 264 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Plainville
• GPS Coordinate Locator Map: Plainville Lat/Long