Manure is now dumped where part of its bank once stood, and a clump of stones has been tipped into its interior in recent times, giving the site a slightly unglamorous air. Yet beneath that workaday surface, the structure has survived in reasonable shape, and the oblong mound visible inside its enclosure hints at a domestic life lived here well over a thousand years ago.

This is a univallate rath, meaning a ringfort enclosed by a single bank, the most common form of early medieval settlement in Ireland. Thousands were built between roughly the fifth and twelfth centuries, typically as the farmstead of a single family and their livestock. At Dinneens, the enclosing bank is constructed of earth and stone, around seven metres wide, and still rises to roughly 1.2 metres above the interior floor and 1.8 metres above the ground outside. The interior measures approximately 23 to 24 metres across. To the north, a faint trace of an exterior fosse, a defensive ditch, survives for about 18 metres, its width around two metres, though it is described as very slight. More intriguing is a narrow oblong mound in the north-west of the interior, nearly ten metres long and oriented north-east to south-west. Surveyors working from C. Toal's North Kerry Archaeological Survey, published in 1995, identified this as a possible house-site, the compressed remnant of a structure where someone once lived, cooked, and kept animals close by. The interior sits at a slightly higher level than the surrounding land, which may partly account for its preservation.

The fieldbanks that now press against the rath to the north and east tell their own quiet story about continuity, how later generations of farmers simply worked around a feature they could not easily remove, incorporating it into the field system rather than erasing it entirely. The levelled south-west sector shows what happens when convenience wins out.