This weathered monument bears at least fifteen cupmarks on its southwest face; small, circular depressions carefully carved into the rock surface by prehistoric peoples. These enigmatic markings, known as rock art, represent one of Ireland's most mysterious archaeological features, with scholars still debating their exact purpose and meaning.

The cupmarks themselves are shallow, bowl-shaped hollows that were painstakingly pecked into the stone using harder rocks or stone tools, likely during the Neolithic or Bronze Age periods. While their precise function remains unknown, theories range from astronomical markers and territorial boundaries to ritual or ceremonial purposes. What makes this particular stone noteworthy is the concentration of cupmarks on a single face, suggesting deliberate placement and perhaps indicating that the southwest orientation held special significance for those who created them.

This standing stone forms part of County Donegal's rich archaeological landscape, documented extensively in the Archaeological Survey of County Donegal from 1983. The survey, compiled by Brian Lacey and his team, catalogued field antiquities spanning from the Mesolithic Period through to the 17th century, helping to preserve knowledge of sites like this one that might otherwise be overlooked in their quiet rural settings. Today, the stone continues to stand in its level meadow, offering visitors a tangible connection to Ireland's prehistoric past and the enduring mystery of why our ancestors felt compelled to mark these stones with such care and purpose.