Lower McNair Brook is a River located in Restigouche, New Brunswick and has an elevation of 233 meters.

• Latitude: 47° 45' 16'' North   (decimal: 47.7544276)
• Longitude: 66° 12' 39'' West   (decimal: -66.2109658)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Elevation: 233 meters
• Location: Restigouche
• Atlas of Canada Locator Map: Lower McNair Brook
• GPS Coordinate Locator Map: Lower McNair Brook Lat/Long