Carrickabraghy Castle

Carrickabraghy Castle stands on a rocky greenstone dyke at the north-western extremity of the Isle of Doagh in Inishowen, County Donegal. The castle was constructed in the 16th century by the Ó Docharthaigh (O'Doherty) clan, specifically the Doagh branch. Historical evidence suggests the original square keep was likely built during the tenure of Gearalt as lord of Inishowen between 1526 and 154...