Directions: Location: 19 km from Dublin Airport on the Dublin-Athboy road lies Trim town centre. Highfield House is situated across the street from Trim Castle just off the main Dublin/Trim road at the roundabout. Conveniently located within 2 minutes walking distance of Trim town and Visitor Centre. Motorist travelling North from Dublin Airport can park in our private car park before visiting the many quaint shops, first class restaurants and magnificent medieval ruins to be found in the immediate area.