Duncan Brook is a River located in Sunbury, New Brunswick.

• Latitude: 45° 47' North   (decimal: 45.7833000)
• Longitude: 66° 40' West   (decimal: -66.6667000)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Location: Sunbury
• Atlas of Canada Locator Map: Duncan Brook
• GPS Coordinate Locator Map: Duncan Brook Lat/Long