It was not found by archaeologists walking the ground, and no excavation has ever confirmed what lies beneath. It came to light only because a gas company flew over it with a camera in November 1984, and someone later noticed a faint ring in the resulting photograph. That ring, a circular cropmark of the kind that appears when buried ditches or walls affect how grass grows above them, is currently the only evidence that this ditch barrow exists at all.

A barrow, in the broadest sense, is a mound or earthwork raised over a burial, often dating to the Bronze Age or earlier. A ditch barrow specifically has an encircling ditch around the central mound, the soil from that ditch having been used to build up the mound itself. The site in Mitchelstowndown West was identified from a Bord Gáis Éireann aerial photograph, reference BGE 2573, Site No. 297, taken on 3 November 1984, and subsequently confirmed as visible on Google Earth orthoimages as a faint circular cropmark. Researcher Martin Fitzpatrick compiled the record, uploaded to the national monuments database in September 2021. The barrow sits in reclaimed pasture roughly 165 metres south of a watercourse that forms the townland boundary with Mitchelstowndown North, and it is one of as many as 36 possible barrows identified within a zone of approximately 250 metres north to south by 450 metres east to west. A further cluster of seven possible barrows lies about 285 metres to the northwest.

Because the site was never mapped historically and remains unexcavated, there is nothing to see at ground level under ordinary conditions. The cropmark that betrays it is most legible from the air, or via satellite imagery, and even then it is described as faint. Visitors with a serious interest in the broader landscape might consult the National Monuments Service database before visiting, which holds the aerial photograph references and the grid coordinates. The surrounding pasture is privately farmed reclaimed land, so any visit would require landowner permission. The real interest here is perhaps less about what you can see on foot and more about what the aerial record suggests: a dense prehistoric funerary landscape in this part of County Limerick that the usual maps simply never registered.