That intrusion is, in its own way, telling: ringforts, known in Irish as raths, were so numerous across the Irish landscape that road-builders and farmers have long treated them as obstacles rather than monuments. This one sits on a low east-west ridge in gently rolling countryside, and its circular form, roughly 29 metres across, is still legible in the ground.

Ringforts are the most common field monuments in Ireland, with tens of thousands recorded across the island. They functioned primarily as enclosed farmsteads during the early medieval period, roughly the fifth to twelfth centuries, and were typically defined by one or more earthen banks and a fosse, the term for the outer ditch from which spoil was dug to build the bank. At Shesheraghkeale, the defining element is a scarp, an abrupt slope rather than a free-standing bank, which rises about 1.2 metres on the eastern side and reaches 2.5 metres on the west. An external fosse is still visible to the east, and there is a possible causewayed entrance on that same side, where a gap or raised crossing would have allowed access across the ditch. A faint outer bank may survive to the south-east, hinting that the original enclosure was once more elaborate than what remains today.