This is a ringfort, the most common type of early medieval enclosure found across Ireland, typically constructed between roughly 500 and 1000 AD as a defended farmstead for a single family or small community. What makes this one quietly compelling is the way the trees now occupy the interior, filling a space that was once deliberately cleared and inhabited.

The enclosure measures approximately 34 metres east to west and 31.5 metres north to south, making it a reasonably typical example of its class. It is defined by an earthen bank, around 4 metres wide on its western side, with an external fosse, essentially a ditch dug to reinforce the bank and act as an additional barrier, still visible at the south-west where it reaches nearly 0.7 metres in depth. Several gaps have appeared in the bank over time, but the original entrance, about 3.7 metres wide at the top, survives at the south-south-east, which is a common orientation for ringfort entrances across Ireland, possibly chosen for practical reasons such as shelter from prevailing winds or ease of supervision. The site occupies the south-eastern end of a north-west to south-east drumlin ridge, the kind of low, elongated hill formed from glacial deposits that gives County Monaghan much of its characteristic rolling, corrugated character.