Upper Blackville is a Unincorporated area located in Northumberland, New Brunswick and has an elevation of 37 meters.

• Latitude: 46° 38' 17'' North   (decimal: 46.6379353)
• Longitude: 65° 52' 20'' West   (decimal: -65.8722235)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Dispersed Rural Community
• Canadian Province/Territory: New Brunswick
• Elevation: 37 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Upper Blackville
• GPS Coordinate Locator Map: Upper Blackville Lat/Long