It measures roughly ten metres east to west and nine metres north to south, rising to about 0.7 metres at its highest southern point. What looks at first like a natural feature of the landscape is in fact a fulacht fia, a type of prehistoric cooking site found widely across Ireland and Britain, typically consisting of a mound of fire-cracked stones and charcoal accumulated beside a water source. Between the curved arms of the mound, a shallow depression open to the north marks where a trough once sat. That hollow is now picked out by a growth of rushes and yellow flag iris, plants that have quietly annotated the archaeology by rooting in the persistently damp ground above where the trough lay.

The site sits about twenty-five metres north of a small, meandering westward-flowing stream, with a patch of hazel wood along the stream's southern bank to the south-east. The mechanics of a fulacht fia were straightforward: stones were heated in fire, then dropped into a water-filled trough to bring it to a boil, and the repeated cracking of those stones under thermal stress produced the characteristic waste mounds that survive across the Irish countryside. This particular mound is well preserved, its southern half retaining a clearly defined curving profile, while the northern side merges more gradually with the rising ground behind it. About ninety metres upslope in the same field, the outline of a possible cashel, a type of stone-walled enclosure associated with early medieval settlement, is just visible, hinting that this small valley may have seen repeated, layered use across different periods.