Third Deadwater is a River feature located in York, New Brunswick and has an elevation of 138 meters.

• Latitude: 45° 44' 17'' North   (decimal: 45.7381754)
• Longitude: 67° 7' 19'' West   (decimal: -67.1218536)
• Topography Feature Category: River feature
• Geographical Feature: Deadwater
• Canadian Province/Territory: New Brunswick
• Elevation: 138 meters
• Location: York
• Atlas of Canada Locator Map: Third Deadwater
• GPS Coordinate Locator Map: Third Deadwater Lat/Long