Huntington Castle, also known as Clonegal Castle, is a castle in Clonegal, County Carlow , Ireland, built in 1625. The Ultimate Ireland Travel Guide: https://lovetovisitireland.com/the-ultimate-ireland-travel-guide/ The structure was originally a "plantation castle", used for defensive purposes during the plantation of the area in the early 17th century. The original tower house, which served as a garrison, was built in the 15th century as a stronghold for the Caviness family, an old Irish clan.