This particular ditch barrow in Mitchelstowndown West, County Limerick, exists in the archaeological inventory largely because a gas company flew over it in 1984. A barrow, for those unfamiliar with the term, is a mound of earth or stone raised over a burial, often ringed by a surrounding ditch; ditch barrows are defined by that encircling cut in the ground, which can persist in the soil long after the mound itself has been ploughed flat or otherwise erased from the surface.

The site was identified through examination of a Bord Gáis Éireann aerial photograph, reference BGE 2573, Site No. 291, taken on 3 November 1984. That kind of low-altitude survey work, carried out for pipeline and infrastructure planning, has inadvertently produced one of the more useful archives of Irish field archaeology, catching cropmarks and earthworks that ground-level observation would never reveal. This barrow sits in reclaimed pasture, 125 metres south of a watercourse marking the boundary between Mitchelstowndown West and Mitchelstowndown North, and it is far from alone. It forms part of a concentration of up to 36 possible barrows spread across an area roughly 250 metres north to south and 450 metres east to west. A further cluster of seven possible barrows lies approximately 215 metres to the northwest. The density of that grouping suggests a landscape that was, at some point in prehistory, used intensively for burial or commemoration, though without excavation the dating and character of individual monuments remains uncertain.

For anyone trying to locate the site, the most accessible means of initial orientation is a Google Earth orthoimage dated 13 August 2021, on which something resembling a circular cropmark may be visible, though the qualification "possibly" is doing real work in the archaeological record here. A cropmark of this kind forms when buried features, such as a filled ditch, affect the growth of crops or grass above them, producing a faint ring that becomes legible from altitude in dry conditions. On the ground, in reclaimed pasture, there may be very little to see at all. The surrounding land is agricultural, and access would require landowner permission. The site has been compiled and documented by Martin Fitzpatrick, with the record uploaded in September 2021, and the supporting aerial photograph and orthoimages remain the primary evidence for what lies beneath the grass.