This ancient marker rises 1.28 metres from the ground, with a maximum width of about half a metre; a modest yet enduring testament to the prehistoric communities who once inhabited this landscape. The stone's positioning on the elevated ridge suggests it may have served as a territorial marker or held ritual significance for those who erected it thousands of years ago.

The standing stone doesn't stand entirely alone in its archaeological significance. Further east in the same field, careful observers might spot what appear to be cup marks carved into an outcrop of exposed rock. These circular depressions, whilst not definitively confirmed, represent a type of prehistoric rock art found throughout Ireland and Britain, typically dating from the Neolithic to Bronze Age periods. Such markings often appear near other ritual monuments, suggesting this ridge may have been a place of particular importance to ancient peoples.

Together, these features form part of Donegal's rich archaeological landscape, documented comprehensively in the Archaeological Survey of County Donegal. This 1983 survey, compiled by Brian Lacey and his team, catalogued the county's field antiquities from the Mesolithic period through to the 17th century, ensuring that even modest monuments like the Norrira standing stone remain part of Ireland's documented heritage. While the original purpose of these ancient markers may be lost to time, their presence continues to connect modern visitors with the deep history of this Atlantic county.