Yet it is there, quietly occupying a stretch of improved pasture at Clynabroga, detectable only if you know which photographs to look at and what shape to search for.

The site is a ring-barrow, a type of prehistoric funerary monument consisting of a low circular mound enclosed by a bank and ditch, and it came to light not through excavation or ground survey but through aerial photography. During a survey flight over the Bruff area in 1986, the monument was captured on film and catalogued as Bruff 128.02, reference AP 4/3616. That photograph revealed a circular form in the landscape that no map had ever recorded. The site sits in what is now improved agricultural pasture, roughly 30 metres north of a separate ditch-barrow and just 6 metres south-east of another possible barrow, suggesting this corner of Clynabroga was once a meaningful place in the prehistoric landscape, a loose cluster of funerary monuments that time, ploughing, and land improvement have all but erased. Orthophotographs taken by Ordnance Survey Ireland between 2005 and 2012 still show the monument as a faint circular depression, but it has since become undetectable in Google Earth imagery, illustrating just how fragile the surface traces of such sites can be. The record was compiled by Martin Fitzpatrick and uploaded to the archaeological inventory in April 2021.

For anyone curious enough to look, the Bruff aerial photograph and the OSi orthophotos from the 2005 to 2012 period remain the most useful tools for understanding what is actually present here. On the ground, in a field of managed pasture, there is unlikely to be anything obviously visible to the casual eye. The monument's significance lies less in what can be seen than in what the aerial record reveals about the density of prehistoric activity in this part of Limerick, where the dead were once laid to rest in monuments that have spent centuries slowly sinking back into the earth.