Ringfort (Cashel), Glentidaly, Co. Donegal
In the rolling pastures of Glentidaly, County Donegal, the remains of an ancient cashel tell a story of fortified living from centuries past.
Ringfort (Cashel), Glentidaly, Co. Donegal
This circular stone enclosure, measuring roughly 20 metres across, sits atop a north-south ridge with dramatic drops to the north and west. The surviving stone wall, which once stood up to 2.45 metres wide, still traces the perimeter of what was likely a defended farmstead. Between five and eight metres beyond this inner wall, scattered stones hint at a second defensive ring that would have incorporated natural rock outcrops into its design, creating a formidable double-walled fortress.
The interior of the cashel reveals intriguing glimpses of daily life within its protective walls. Towards the southeast, a jumble of stones suggests the foundation of a structure, possibly a dwelling or storage building. More fascinating still is the partially collapsed souterrain tucked into the northwest section; a subterranean passage that stretches nine metres along the inner face of the cashel wall before making a sharp right turn for another three metres towards the centre. This underground chamber, built with drystone walls and capped with stone lintels flush with the ground level, would have served as cold storage or perhaps a hiding place during raids.
Today, the souterrain measures just half a metre wide and 0.6 metres deep below its roof lintels, though it was likely more spacious when in use. These cashels, typically dating from the early medieval period, were the fortified homesteads of prosperous farming families who needed protection in an era of cattle raids and territorial disputes. The choice of location, with its commanding views and natural defences, speaks to the strategic thinking of its builders, who understood how to blend human construction with the landscape’s natural advantages.





