Airport Hatton - Castlereagh Reservoir
- Time zone: GMT 5.5
- Service telephone: +94 94 77777 1979 (SriLankan 24 h Contact Center)
- Address: Castlereagh Reservoir Waterdrome, Hatton, Central Province, Sri Lanka
- Operating company: Civil Aviation Authority of Sri Lanka
- Flight distribution on the days of the week: Monday (14.29%), Tuesday (14.29%), Wednesday (14.29%), Thursday (14.29%), Friday (14.29%), Saturday (14.29%), Sunday (14.29%)
- Alternative spelling: Castlereigh Reservoir, Castlereagh