Upper McNair Brook is a River located in Restigouche, New Brunswick and has an elevation of 348 meters.

• Latitude: 47° 44' North   (decimal: 47.7333000)
• Longitude: 66° 14' West   (decimal: -66.2332999)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Elevation: 348 meters
• Location: Restigouche
• Atlas of Canada Locator Map: Upper McNair Brook
• GPS Coordinate Locator Map: Upper McNair Brook Lat/Long