On a steep north-facing hillside above the River Suir in County Waterford, a subtly irregular oval of grass marks something older than the field boundaries around it. The enclosure at Churchtown is easy to miss: a low scarp, at most thirty centimetres high, traces an oval roughly twenty-seven metres east to west and twenty-one metres north to south. It is the kind of earthwork that rewards a slow walk and a low sun rather than a hurried glance.

When the Ordnance Survey mapped this area at six inches to the mile in 1840, the feature was recorded as a D-shaped embanked enclosure somewhat larger than what survives today, measuring approximately forty metres east to west and thirty metres north to south. By that point, a later field bank running east to west had already cut into and truncated its southern side, leaving the D-shape incomplete. Embanked enclosures of this general type are a recurring feature of the Irish landscape and are frequently associated with early medieval settlement, though some examples are considerably older. The site sits on a pronounced north-facing slope that drops toward the floodplain of the River Suir, which flows west to east through the valley below. That positioning, angled away from the south and overlooking low-lying ground, is characteristic of a class of enclosure whose occupants would have had a clear view across fertile, flood-prone land. The placename Churchtown hints at later ecclesiastical use nearby, though no direct connection to the enclosure itself is recorded.