This oval monument stretches 10 metres from north to south and 6 metres from east to west, rising about a metre above the surrounding grassland. The structure reveals layers of human activity; its core consists of carefully placed smaller stones, whilst larger rocks, likely gathered during field clearance by generations of farmers, have been added to its crown over time.

The cairn represents one of Ireland’s most enigmatic archaeological features, as its exact purpose and age remain uncertain. These stone monuments appear throughout the Irish landscape, serving various functions across different periods; some marked burial sites, others commemorated important events or individuals, and many simply resulted from the practical need to clear stones from agricultural land. The mixture of construction techniques visible at Carrickafodan, with its deliberate base structure and more haphazard upper layers, suggests it may have served multiple purposes throughout its long existence.

This particular cairn forms part of County Donegal’s rich archaeological tapestry, documented in the comprehensive 1983 survey compiled by Brian Lacey and his team of researchers. Their work catalogued field antiquities spanning from the Mesolithic period through to the 17th century, helping preserve knowledge of these often overlooked monuments. Today, the Carrickafodan cairn continues to occupy its hillside position, a tangible link to the generations who built, modified, and lived alongside these enduring stone markers of Ireland’s past.