Grainfield is a Unincorporated area located in Northumberland, New Brunswick and has an elevation of 34 meters.

• Latitude: 46° 48' 58'' North   (decimal: 46.8161061)
• Longitude: 65° 52' 39'' West   (decimal: -65.8775746)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Dispersed Rural Community
• Canadian Province/Territory: New Brunswick
• Elevation: 34 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Grainfield
• GPS Coordinate Locator Map: Grainfield Lat/Long