Glenarm Castle



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For 400 years Glenarm Castle has been the ancestral home of the Earls of Antrim and today Viscount and Viscountess Dunluce are resident here. The Walled Garden, one of Ireland’s oldest, was originally created to supply the castle with fruit and vegetables but today there are glorious displays of flowers in bloom – from the bulbs in spring through to the late herbaceous plants at the end of September. Other highlights in the gardens are the glasshouse (with grapes, apricots and nectarines) and The Yew Circle – both date back to the 1820s; the cascade and fountain; the Hot Border showcasing bright red, orange and pink flowering plants (tulips, peonies, dahlias and penstemons for example); and The Mount, created in 2007, from where there are great views of the garden to the sea beyond.

Glenarm Castle
2 Castle Lane, GLENARM, Co Antrim, BT44 0BQ


  • Parking onsite
  • Parking nearby
  • Cafe
  • Fully accessible
  • Accessible toilets
Opening times
  • Opening Times: Open Apr-Sep, Mon-Sat 10-5, Sun 11-5

About the area

Discover County Antrim

At its closest point, County Antrim is only 12 miles from the Mull of Kintyre, and its coastline is both beautiful and geologically diverse. Alternating sandy bays, rocky shores, high cliffs and forbidding headlands produce a dramatic scenery. Inland, the beautiful wooded glens rise to meet dizzying moorland heights.

The complex coastal geology ranges from relatively recent volcanic activity several millennia ago – represented by the massive basalt moorland plateau – to the silvery schists in the northwest, which are about 250 million years older. It includes rocks laid down more than 500 million years ago on an ancient ocean floor, pudding-stone that was later a desert floor, a belt of coal formed out of a swampy delta, salt trapped in the stone 200 million years ago, and mudstones and limestones from the time of the dinosaurs. In between are rich red sandstones, grey clays and dazzling cliffs of white chalk. This fascinating mixture is best seen at Fair Head and Murlough Bay, where, in startling contrast, the chalk cliffs overlie the older red Triassic sandstones. The Antrim Coast and Glens were designated an Area of Outstanding Natural Beauty (AONB) in 1988.

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