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Grianan Aileach Hillfort

Grianán of Aileach is a circular stone hillfort positioned on a hilltop approximately 250 metres above sea level on the Inishowen Peninsula. From its elevated location, the site offers wide views across Lough Swilly, Lough Foyle and the surrounding countryside of County Donegal. The monument consists of a massive dry-stone ringfort with thick walls enclosing an inner circular space. The structure stands prominently against the open landscape, with grassy slopes leading up to the fort and a clearly defined stone pathway guiding visitors to the entrance. The panoramic setting reinforces its strategic importance and visual dominance, comparable to other royal sites in Ireland such as hillforts associated with early medieval kingship.

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