Sitting on a north-north-west-facing slope in Knockananig, just to the north-west of a farmyard, the rath sits in the kind of ordinary pasture that thousands of Irish fields contain, yet the people who built it solved a practical problem with considerable care. Because the ground slopes, the interior has been levelled by cutting into the hillside on the south side and using the spoil to raise the north side, producing a flat living surface inside an enclosure that, from the outside, reads as almost unremarkable.

A rath is an early medieval ringfort, typically a farmstead enclosed by one or more earthen banks and ditches, used throughout Ireland roughly between the fifth and twelfth centuries. This example is roughly circular, measuring twenty-two metres north to south and twenty-one metres east to west. Its enclosing bank is low, standing only about twenty centimetres above the interior surface on the inside but rising to around ninety centimetres on the exterior to the south and south-east, where the downhill drop would have made the bank most visible and, presumably, most useful for defining the boundary. The entrance, three metres wide, faces north-east, a common enough orientation among Irish ringforts, where prevailing weather and social convention both played a role in how a settlement faced the world. The scale is domestic rather than defensive, consistent with a single farming family's enclosed yard rather than any kind of fortified stronghold.