One of the four has long since fallen, lying flat on the earth, but the remaining three still stand at varying heights, the tallest reaching nearly two metres at the south-western end. That graduated quality, with stones generally increasing in height from one end of the row to the other, is a feature shared by many prehistoric stone rows across Munster and is thought by some researchers to reflect an intentional design logic, possibly connected to astronomical alignment or territorial marking, though no consensus has been reached.

Stone rows of this type are a particularly Cork and Kerry phenomenon, concentrated in the upland areas of the south-west of Ireland and generally attributed to the Bronze Age, somewhere in the broad range of 2000 to 500 BC. They are distinct from the large ceremonial stone circles found elsewhere in the region, being simpler in form but no less deliberate in their placement. The Coolgarriff example was documented by the archaeologist Seán Ó Nualláin, whose 1988 survey catalogued numerous such monuments across the county and remains a foundational reference for understanding their distribution and variation. The prostrate stone here, measuring 1.6 metres in length, may have fallen naturally over the millennia, or may never have been fully erected; it is difficult to say with certainty.

The row sits near the top of its hill, positioned so that the ground falls away to the west towards the river valley below. That placement feels considered rather than incidental. Visitors approaching the site will find the stones modest in scale compared with more celebrated monuments, but the combination of the graduated heights, the one fallen stone, and the open westward view across the valley gives the group a quiet coherence that rewards a slow look.