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Greencastle Royal Castle

County Down Category Historic Sites
Greencastle Royal Castle image

Built in the 17th Century by Hugh de Lacy to defend the southern approaches to Ulster, this royal castle stands on a rocky height beside Carlingford Lough. From here it has commanded the ferry link with Carlingford and defended sea and land communications. Due to various attacks on the castle over time, the building standing to day is a mix of 13th – 16th Century structures.

Access is limited for wheelchair users and those who have difficulty walking.

No unaccompanied children under the age of 16.


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