Old Northumberland County Court House is a Conservation area located in Northumberland, New Brunswick.

• Latitude: 47° 10' 0'' North   (decimal: 47.1667000)
• Longitude: 65° 34' 20'' West   (decimal: -65.5722000)
• Topography Feature Category: Conservation area
• Geographical Feature: Provincial Historic Site
• Canadian Province/Territory: New Brunswick
• Location: Northumberland
• Atlas of Canada Locator Map: Old Northumberland County Court House
• GPS Coordinate Locator Map: Old Northumberland County Court House Lat/Long