First constructed around 1700 BC (probably with earthen walls) by the Tuatha de Danann. An Grianan Ring Fort was once a seat of power were the ‘O’Neill Kings’ reigned from for over 700 years. An Grianan of Aileach is a famous monument in Inishowen & easily one of the greatest in all Ireland.
Strategically built along Donegal’s coast on a hilltop 800 feet above sea level the view, from Grianan Fort overlooks three neighbouring counties. Legend states that the giants of Inishowen (Princes of Aileach) are lying sleeping under this hill but when a hidden sacred sword is removed from this ring fort, they will return to life reclaiming their ancient lands…..