That absence is itself a kind of fact. Sligo is already known as one of Ireland's most densely megalithic landscapes, home to the Carrowmore complex and the great cairn of Knocknarea, yet the county still contains individual monuments that have not been fully catalogued or written about in any accessible form. This is one of them.

The term megalithic covers a broad range of monument types, from portal tombs and passage tombs to court cairns and standing stones, most of them dating to the Neolithic period, roughly 4000 to 2500 BC. What they share is construction using large, uncut or minimally worked stones, and an association in the Irish landscape with burial, ritual, or the marking of significant places in the terrain. Graigue sits in a county where that tradition was practised with unusual intensity, and where the underlying limestone geology and the visibility of monuments across open ground have made Sligo something of a reference point for understanding the period across the island as a whole. Beyond that, the specific character of this particular structure, its form, its condition, and its relationship to the surrounding landscape, remains to be established from sources not yet in the public domain.