Castledermot ( Irish: Díseart Diarmada ) is a small town in the Republic of Ireland to the south of County Kildare with 887 inhabitants ( 2006). It lies on the main road between Dublin and N9 Carlow.



  • Round tower and two high crosses of the late type, which were probably built at the end of the 10th century. They are at the Anglican Church Cemetery today. They are made of granite and represent a mixture of ornament and Bible cross dar.
  • The Hogback of Castledermot is the only specimen of its kind in Ireland.
  • Ruins of the Franciscan monastery, see Franciscan Castledermot
  • Kilkea Castle, built by Hugh de Lacy in 1180; former residence of the Duke of Leinster, now hotel.