Believed to have been built in or around 1177, Dundrum Castle was built by John De Courcy as part of his coastal defence after he invaded Ulster.
Dundrum Castle is located on a wooded hill north-west of Dundrum village near Newcastle. It controls access to Lecale and dominates Dundrum Bay. Its main purpose was to control the land routes from Drogheda to Downpatrick.
Access may be difficult for wheelchair users as the site is a sloping rocky knoll.
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