King John's Castle, Carlingford Co Louth.

Carlingford Castle sits behind Slieve Foye and dominates the towns skyline overlooking the harbour. It is thought the castle was built around 1190 by the Norman baron Hugh de Lacy. However the Hugh families power made King John of England uneasy and he seized the property for himself.

Heritage Ireland (Carlingford Castle, 2023-02-02):
heritageireland.ie/places-to-visit/carlingford-castle
- description
- admission

YouTube (Drone Video, National Monuments Service, 2023-02-19):


CarlingfordHeritageCentre (Carlingford Castle, 2023-02-02):
carlingfordheritagecentre.com/portfolio/king-johns-castle

TheIrishRoadtrip (“Carlingford Castle A Guide to the Carlingford Castle (King John’s): Tours, History + Things To Look Out For”, 2023-02-02):
theirishroadtrip.com/king-johns-castle-carlingford

Wikipedia (King John's Castle (Carlingford), 2023-02-02):
en.m.wikipedia.org/wiki/King_John's_Castle_(Carlingford)
Wikipedia (List of National Monuments in County Louth, 2023-02-21):
en.m.wikipedia.org/wiki/List_of_National_Monuments_in_County_Louth
“National Monument 249 … Carlingford Castle … Castle”