Translating from the Spanish wiki ➜ Dún Briste - Wikipedia
There’s probably a better way to do this but this is from translate.google.com.
Dún Briste (inglés: Dun Briste Sea Stack) ye un farallón o pilastra natural —en xeomorfoloxía denomináu stack— que se formó nel periodu carboníferu posiblemente misisípicou fai aprosimao 350 millones d’años.
★ Dun Briste (English: Dun Briste Sea Stack) is a natural cliff or pilaster - in geomorphology called a stack - that was formed in the possibly Mississippian carboniferous period approximately 350 million years ago.
Historia
La so creación producióse nel añu 1393 cuando una fuerte nube d’altamar quebróla y dexóla varada cercana a la mariña.
★ History — Its creation occurred in the year 1393 when a strong offshore cloud broke it and left it stranded near the sea.
La evidencia de que formó parte de tierra firme foi presentada en 1980 por investigadores qu’aterrizaron sobro ella y fixeron peritaxes, ellí afayaron edificaciones de piedra y restos de pasos pa les oveyes.
★ The evidence that it was part of the mainland was presented in 1980 by researchers who landed on it and carried out surveys, where they discovered stone buildings and remains of sheep steps.
Cuando la formación de Dún Briste nun taba dixebrada del cabu, Patriciu d’Irlanda, construyó una de les primeres ilesies d’Irlanda. Mientres la Segunda Guerra Mundial la casa cercana sirvió como puestu de vixilancia de la guardia costera irlandesa.
★ When the Dún Briste formation was not separated from the cape, Patrick of Ireland built one of the first churches in Ireland. During the Second World War the nearby house served as a guard post for the Irish Coast Guard.
Descripción
Atópase precisamente nel cabu de Downpatrick Head a 5 kilómetros de la ciudá de Ballycastle nel Condáu de Mayo, Irlanda. A namás 20 metros de distancia y con 228 metros de fondura, atópase dixebrada de la mariña. Mide 45 metros d’altor, 63 metros de llargu y 23 d’anchu.
★ Description — Found precisely at the headland of Downpatrick Head, 5 kilometers from the city of Ballycastle in County Mayo, Ireland. Just 20 meters away and 228 meters deep, it is found dixebrated from the sea. It measures 45 meters high, 63 meters long and 23 meters wide.
Lleenda de San Patriciu
La lleenda cunta que dientro del cabu vivía’l dios célticu Crom Dubh, que refuga convertise al cristianismu que pedricaba San Patriciu, polo qu’esti anoxó, cuto’l suelu del cabu cola so vara y esto provocó la separación de la formación de la islla, condergando a Dubh a morrer n’absoluta soledá aislláu de tierra firme.
★ Legend of Saint Patrick — The legend tells that inside the cape lived the Celtic god Crom Dubh, who fled and converted to Christianity that Saint Patrick peddled, for which he anoxicted, cut the ground of the cape with his rod and this caused the separation of the island’s formation, leading Dubh to die in absolute solitude isolated from the mainland.
The top surface is about 180 feet long and 50 feet wide. Not big enough for a football game (American football 
