Although located just across the modern border in County Donegal, Grianan of Aileach has deep historical links with the ancient kingdom of Ulster and is often included in wider Ulster heritage routes.
Although located just across the modern border in County Donegal, Grianan of Aileach has deep historical links with the ancient kingdom of Ulster and is often included in wider Ulster heritage routes. The hillfort was a major royal centre associated with early Irish kings and offers some of the finest panoramic views in the northwest of Ireland. For visitors exploring Northern Ireland's ancient landscapes, it provides valuable context for understanding the wider world of ancient Ulster.