Keyhole Brook is a River located in Saint John, New Brunswick and has an elevation of 231 meters.

• Latitude: 45° 35' 5'' North   (decimal: 45.5846093)
• Longitude: 65° 6' 50'' West   (decimal: -65.1140026)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Elevation: 231 meters
• Location: Saint John
• Atlas of Canada Locator Map: Keyhole Brook
• GPS Coordinate Locator Map: Keyhole Brook Lat/Long