There are no walls, no monuments, no visible structure. What survives is the negative space of ancient activity, the impressions left behind in the earth by people who were cooking, or processing, or doing something with intense heat that we can only partially reconstruct.

The pits were excavated by archaeologist Emer Dennehy under licence reference 02E0670, and the findings were recorded on the excavations.ie database. The complex consists of six roasting pits, roughly subcircular in shape, averaging about 1.5 metres north to south by 1.2 metres across, and around 0.4 metres deep. Roasting pits of this kind, sometimes associated with fulacht fiadh sites, were typically used for cooking or industrial heat processing; they functioned by heating stones in a fire and using those stones to transfer heat to food or water. Notably, these particular pits would not have retained water, which sets them slightly apart from the classic fulacht fiadh model where a water-filled trough is central to the process. Instead, they were filled with burnt sandstone and limestone set in a charcoal-rich matrix, suggesting sustained, repeated burning over time. The stones themselves fracture and discolour under that kind of heat, and it is largely that burnt, cracked stone, along with the charcoal residue, that allows archaeologists to identify and interpret features like these centuries or millennia after the fact.

Rincullia is a quiet townland and there is nothing to mark the site for casual visitors. The pits themselves have been excavated and recorded, and what remains in the landscape is essentially unremarkable to the untrained eye. The interest lies in knowing what was once there, and in the broader pattern of similar features scattered across the Irish midlands and south, each one a small, largely anonymous node of prehistoric activity. The excavations.ie record, compiled by Denis Power and uploaded in August 2012, remains the most accessible point of entry for anyone wanting to read further into the technical detail of what was found.