County Meath, IE
Athlumney Castle (Irish: Caisleán Áth Luimnigh) is a tower house and fortified house and a National Monument in Navan, Ireland. The site remains accessible to the public; to enter, visitors need to place a deposit at the nearby B&B and receive a key.
Listen to the audio guide for Athlumney Castle Free on WIP — starts by itself when you arrive, even with the screen off