A break in the earthen bank on the south-eastern side, still accompanied by a causeway across the fosse, marks the point where people once passed in and out of daily life within. That the causeway survives at all, alongside a fosse that remains partly waterlogged, gives the site an unusual degree of physical continuity with its early medieval origins.

Ringforts, known in Irish as raths when built from earth and banks rather than stone, were the most common form of enclosed settlement in early medieval Ireland, typically dating from roughly the fifth to the twelfth centuries. They served as farmsteads and homesteads for a single family or kin group, the surrounding bank and fosse providing a degree of security for people and livestock alike. This example at Dinginavanty has an internal diameter of 24.6 metres, placing it comfortably within the typical range for such sites. The enclosing bank remains substantial, and the fosse, a ditch dug to reinforce the bank's defensive height, is described as wide and deep. A modern field boundary now circles the site, folding it quietly into the working agricultural landscape. There may also be a souterrain beneath the interior, a souterrain being an underground stone-lined passage or chamber often used for storage or, in times of trouble, concealment, though its presence here has not been confirmed.

The causeway at the south-eastern entrance is worth examining closely if you visit. It is a small but legible detail, the kind that makes an otherwise unassuming grassy mound suddenly specific and human in scale.