Castleknock Castle

Castleknock Castle
Caisleán Cnucha
Castleknock, Dublin, Ireland
Castleknock Castle atop the motte in November 2018
Site information
TypeNorman castle
OwnerSt. Vincent's Castleknock College
Open to
the public
No
ConditionRuined
Location
Castleknock Castle
Coordinates53°22′06″N 6°22′11″W / 53.368212°N 6.369816°W / 53.368212; -6.369816
Height24 m (former keep)
Site history
BuiltLate 12th century
Built byHugh Tyrrel
MaterialsStone
Battles/warsEdward Bruce's campaign (1317); War of the Three Kingdoms
EventsCaptured by Edward Bruce (1317); destroyed after 1647

Castleknock Castle is a ruined Norman castle in Dublin, Ireland. It is now the site of St. Vincent's Castleknock College, an all-boys Catholic school. The Irish name of Castleknock is Caisleán Cnucha, derived from the older forms Cnoc and Cnucha mentioned in medieval sources.