The mound is the remains of a fulacht fia, a type of prehistoric cooking site found in considerable numbers across Ireland, typically Bronze Age in origin. The name, loosely translated as "cooking pit of the deer," refers to a method of heating water by dropping fire-heated stones into a trough; the cracked and discarded stones accumulating over time into the characteristic horseshoe-shaped mounds that survive in the landscape today.

This particular example was recorded by O'Hare in 2000 and measures roughly 22 metres north to south and about 12 metres east to west, making it a notably large specimen. The mound reaches a maximum height of around 0.7 metres on its western side and is composed of the dark, charcoal-rich soil and shattered red stone typical of these sites. It sits immediately to the south of a well that may formerly have been known as Tobar na Coróine, a name suggesting a holy well with some ecclesiastical or devotional association, though the connection between the prehistoric cooking site and the later well is likely one of proximity rather than intent. The field to the west once had a boundary fence running close to the mound, but that has since been removed, leaving the feature more exposed within the wet pasture that surrounds it. The boggy ground is itself significant; fulachtaí fia are almost always found near a reliable water source, and the wet conditions that make the field unremarkable for farming are precisely what made it a useful site for Bronze Age activity.