Gelder Brook is a River located in Sunbury, New Brunswick and has an elevation of 98 meters.

• Latitude: 45° 34' 37'' North   (decimal: 45.5768768)
• Longitude: 66° 41' 9'' West   (decimal: -66.6859013)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Elevation: 98 meters
• Location: Sunbury
• Atlas of Canada Locator Map: Gelder Brook
• GPS Coordinate Locator Map: Gelder Brook Lat/Long