Raised roughly 1.3 metres above the field level around it, the earthwork is not dramatic in scale, but its geometry is precise enough that the land itself seems to be remembering something.

What the land is remembering is a rath, the Irish term for a type of ringfort, the most common surviving monument of early medieval Ireland. Raths were typically enclosed farmsteads, built and occupied between roughly the fifth and twelfth centuries, in which a family unit lived and kept livestock within a banked and sometimes ditched perimeter. This example at Ballinphelic is oval, measuring 53 metres north to south and 43 metres east to west, with an internal earthen bank running from the western side around to the south-east. That bank stands only about 0.4 metres on the interior, a modest but legible boundary. Most of the site is clear of overgrowth, giving an unusually open view of the saucer-shaped depression inside, though the south-east quadrant has seen some encroachment. The combination of its clean profile and pastoral setting makes it an unusually readable example of a monument type that is often obscured by hedgerow or scrub.