Mast Brow is a Mountain located in Saint John, New Brunswick and has an elevation of 241 meters.

• Latitude: 45° 30' 8'' North   (decimal: 45.5021746)
• Longitude: 65° 22' 41'' West   (decimal: -65.3781085)
• Topography Feature Category: Mountain
• Geographical Feature: Brow
• Canadian Province/Territory: New Brunswick
• Elevation: 241 meters
• Location: Saint John
• Atlas of Canada Locator Map: Mast Brow
• GPS Coordinate Locator Map: Mast Brow Lat/Long