Sited in a ravine near Greystones, this Norman castle was burned by the O'Byrne clan in 1301 and rebuilt shortly after, forming part of the medieval Rathdown manor. Very little masonry survives above ground, but the earthwork site is a designated National Monument on the coastal path.
Visiting Rathdown Castle (in ruins)
Ruin, minimal remains, freely accessible
"Sited in a ravine near Greystones, this Norman castle was burned by the O'Byrne clan in 1301 and rebuilt shortly after, forming part of the medieval Rathdown manor."
Where to stay nearby
The closest castle hotel is Clontarf Castle, 24.64 km away in Clontarf, Dublin — Site of a castle built in 1172 by the Norman Hugh de Lacy near the site of the 1014 Battle of Clontarf; the present building is a Victorian reconstruction dating to 1837 designed by William Vitruvius Morrison.
Nearest castle hotel · 24.64 km
Clontarf Castle
Clontarf, Dublin, Co. Dublin · 4-star
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