Three Mile Brook is a River located in Restigouche, New Brunswick and has an elevation of 425 meters.

• Latitude: 47° 50' 33'' North   (decimal: 47.8423795)
• Longitude: 67° 48' 55'' West   (decimal: -67.8152937)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Elevation: 425 meters
• Location: Restigouche
• Atlas of Canada Locator Map: Three Mile Brook
• GPS Coordinate Locator Map: Three Mile Brook Lat/Long