These circular burial monuments, typically consisting of a low central mound enclosed by a ditch and an outer bank, can seem like nothing more than a slight irregularity in a field, a gentle swell in the earth that a passing farmer might attribute to anything or nothing. The one at Poultalloon, in County Limerick, was not even identified by people walking the land at all. It was spotted from the air.

The monument entered the archaeological record through the work of The Discovery Programme, an Irish research body established to investigate the country's prehistoric past. Medium-altitude aerial photographs taken in 1986 revealed the site's presence, the kind of cropmark or shadow that only becomes legible when viewed from above and at the right angle of light. The record was subsequently incorporated into the Ballyhoura Hills Project, a systematic survey of the archaeology of that upland region straddling south Limerick and north Cork, published by M. Doody in 2008 as Discovery Programme Monograph No. 7. The monument is catalogued under the reference LI022: Bruff 95: AP 4/3651, which places it within the Bruff map sheet area of County Limerick. Ring barrows are generally associated with Bronze Age funerary practice, though their precise use varied considerably, and without excavation it is rarely possible to say more about what any individual example contained or when exactly it was constructed.

Poultalloon is a rural townland, and the site itself sits within what is essentially a working agricultural landscape. Because the barrow was identified through aerial survey rather than ground investigation, there is no excavated material, no interpretive signage, and no formal public access. Visitors interested in finding it should consult the National Monuments Service's online mapping tool, which records the monument's approximate location, and should be aware that the land is likely private farmland where permission would be needed before approaching. The feature may be almost invisible at ground level depending on the season and the state of any crop or pasture. The aerial photographs that first revealed it remain the clearest evidence of its form, which is a reminder that some of the most significant things in the Irish landscape are only fully legible from a perspective most of us rarely occupy.