These horseshoe-shaped mounds, found in their thousands across the country, are the accumulated debris of a Bronze Age cooking method: stones were heated in a fire, then dropped into a water-filled trough to bring it to a boil. Over repeated use, the stones cracked and became useless, and the spent fragments were piled to the side, building up the characteristic mound that survives today. The Rathpatrick example is one of many scattered across Kilkenny, each one a quiet remnant of repeated, ordinary activity carried out roughly three to four thousand years ago.

The precise details of this particular site, including its dimensions, condition, and any associated finds or features, are not currently available in the public record. What can be said is that fulachtaí fia, the plural form of the term, tend to cluster near water sources, since a reliable supply was essential to their function. They are most often found on low-lying, sometimes marshy ground, which also helps explain why so many have survived: the boggy conditions that made land less attractive to later cultivation helped preserve the mounds beneath. The townland name Rathpatrick suggests the broader area has its own layered history, the element "rath" pointing to an early medieval ringfort tradition, though whether any such features survive nearby is a separate question.