Tibradden
From Wikipedia, the free encyclopedia
Tibradden (or Tigh Bródáin in Irish) is a sacred megalithic site in Rathfarnham, Co. Dublin, Ireland on top of a mountain with the same name. The mountain is 1,540 feet (462 metres) high. It is a national heritage site.
On the peak of this mountain, there is a prehistoric passage grave with a long narrow entrance to a circular chamber.