Visible within the interior of this low earthen enclosure are the remains of a rectangular hut site, complete with its own adjoining square enclosure, as if the original builders left a sketch of daily life pressed into the ground for anyone patient enough to read it.

A ringfort, or rath, is a roughly circular enclosure defined by an earthen bank and ditch, and was the standard form of rural settlement in early medieval Ireland, typically housing a single farming family and their livestock. This example in Ranaghan sits on the south-eastern face of a natural rise in pastureland, with a high hill pressing in from the west and wide countryside opening out in other directions. The enclosure measures approximately 26 metres north to south and 28 metres east to west, its boundary formed by a poorly preserved earthen bank and a slight fosse, the fosse being the shallow ditch that would originally have run outside the bank. A possible entrance gap survives at the eastern side, the most common orientation for such openings. What makes the interior particularly readable is the evidence of more than one phase of use: the northern quadrant retains traces of cultivation ridges running north-west to south-east, suggesting the enclosed ground was worked as well as inhabited, while the hut site and its adjoining square enclosure indicate at least one structure stood here in a relatively organised arrangement. The fort is not alone in its landscape either. Two further ringforts lie within 200 metres, one 170 metres to the south-west and another 195 metres to the north-east, a clustering that points to a settled and probably prosperous agricultural community occupying this gentle rise at some point in the early medieval period.