These monoliths, aligned from northeast to southwest and standing less than a metre apart, have watched over this remote landscape for millennia. The southern stone towers 1.3 metres above the cairn’s surface and measures 82 centimetres wide, whilst its northern companion stands slightly shorter at 80 centimetres high with a broader width of 1.11 metres.

The stone cairn that partially encircles these sentinels measures 3 metres long, 2.7 metres wide, and rises to about 70 centimetres in height. This carefully constructed mound of stones likely served both practical and ritual purposes for the prehistoric peoples who erected this monument. The deliberate placement and alignment of the stones suggest they may have marked significant solar or lunar events, served as territorial markers, or held spiritual significance for the communities who built them.

This archaeological site, catalogued as DG012-018003, was documented during the comprehensive Archaeological Survey of County Donegal, conducted by Brian Lacey and his team in 1983. The survey recorded field antiquities spanning from the Mesolithic period through to the 17th century, preserving vital information about Donegal’s rich archaeological heritage. Standing stone pairs like these are relatively rare in Ireland, making this Ballymagaraghy example particularly significant for understanding the ritual landscapes of prehistoric Ireland.