Castlereagh is a Unincorporated area located in Colchester, Nova Scotia and has an elevation of 248 meters.

• Latitude: 45° 31' 22'' North   (decimal: 45.5227777)
• Longitude: 63° 46' 27'' West   (decimal: -63.7741666)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Locality
• Canadian Province/Territory: Nova Scotia
• Elevation: 248 meters
• Location: Colchester
• Atlas of Canada Locator Map: Castlereagh
• GPS Coordinate Locator Map: Castlereagh Lat/Long