There is nothing to see when you stand there. The grass is flat, the field unremarkable, and yet the outline of a substantial circular earthwork is preserved, at least in record, on an aerial photograph taken by the Geological Survey of Ireland.

Circular enclosures of this kind are among the most common archaeological monuments in Ireland, often interpreted as the remains of raths or ringforts, the enclosed farmsteads of early medieval settlement dating broadly from the fifth to the twelfth centuries. They typically comprised a raised interior platform ringed by one or more earthen banks and ditches, enclosing a household and its outbuildings. At nearly 39 metres in estimated maximum diameter, the Aghalahard example would have been a modest but not insignificant example of the type. It was documented in a 1994 survey of the Ballinrobe district compiled by D. Lavelle, which drew on aerial photographic evidence to establish its existence and approximate dimensions. By that point it had already been levelled, most likely through agricultural improvement over the preceding decades, leaving no surface traces whatsoever.