Mount Hartt is a Mountain located in Northumberland, New Brunswick and has an elevation of 358 meters.

• Latitude: 47° 20' 33'' North   (decimal: 47.3425322)
• Longitude: 66° 57' 48'' West   (decimal: -66.9632777)
• Topography Feature Category: Mountain
• Geographical Feature: Mount
• Canadian Province/Territory: New Brunswick
• Elevation: 358 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Mount Hartt
• GPS Coordinate Locator Map: Mount Hartt Lat/Long