About_Us

About Us

Ardgillan Castle and Demesne is Ireland’s hidden gem. Set in spectacular parklands overlooking the Irish Sea with a magnificent view of the Mourne Mountains. As well as the castle, the demesne features a walled and rose garden both of which present an orderly profusion of colour.

The ‘castle’ is a large eighteenth century country-style house with castellated embellishments. Originally named ‘Prospect House’ the central section was built by Robert Taylor in 1738, with the west and east wings added in the late 1800s.

  • Castle and/or garden tours
  • Medieval stocks and Tudor stand-ins
  • Tea Rooms (wheelchair friendly)
  • State-of-the-art children’s playground
  • Spectacular cycle and walking paths
  • Wide open spaces
  • Gardens

There is a charge to visitors for the guided tour of the Castle. The text of the tour is available in French, German, Irish, Italian and Spanish.

Admission to Cromwellian Plantation (Down Survey) and Hutton Coach Transport exhibitions is free.

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