Porterstown Road Dublin 15Castleknock, Ireland D15 WNR7 Phone: +353 1-640-6300Fax: +353 1-640-6384 Hotel E-mailHotel Website Classification 7 Superior First Class Commission Rooms Rates - 190 - Hoteliers! Is your information accurate? Update Here Castleknock Hotel and Country Club Location & Neighborhood 4 MI from Dublin airport.