Thornton Brook is a River located in Madawaska, New Brunswick and has an elevation of 353 meters.

• Latitude: 47° 26' North   (decimal: 47.4332999)
• Longitude: 67° 57' West   (decimal: -67.9499999)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Elevation: 353 meters
• Location: Madawaska
• Atlas of Canada Locator Map: Thornton Brook
• GPS Coordinate Locator Map: Thornton Brook Lat/Long