Yet it sits within Carrowmore, one of the largest and oldest passage tomb cemeteries in Ireland, a landscape so densely packed with prehistoric megalithic structures that even its lesser remains carry considerable weight. What survives here is fragmentary to say the least, but that incompleteness is part of what makes it interesting.

The monument was first captured on the Ordnance Survey 25-inch plan surveyed in 1910, where a sub-triangular arrangement of stones was marked but left unnamed, suggesting surveyors noted it without being certain what to make of it. By the 1940 revision it had acquired the label "Stone circle", though the scant physical evidence makes that classification tentative rather than definitive. Whether it was ever a true stone circle, a kerbed cairn, or something else entirely is now difficult to determine. A passage tomb typically consists of a stone-lined corridor leading to a burial chamber, covered by a mound, and Carrowmore contains dozens of such monuments in varying states of preservation. This particular site sits at the outer edge of that wider complex, on the south-western margin of a gentle rise, and its original form has clearly suffered considerably over the centuries.