Its name, Cathair Na Gaoithe, translates loosely as the fort of the wind, and the position makes that feel apt. What makes it quietly odd is how much of it resists easy reading. There is no definite entrance. The interior holds scatters of stone arranged into low, irregularly shaped mounds alongside a number of upright slabs, and nobody has been able to say with confidence what any of it means.

The structure is a caher, the Irish term for a stone-walled ringfort, built in a rough circle with an internal diameter of roughly sixteen metres. Where the enclosing wall survives in any meaningful way, in the north-eastern sector, it proves to be a substantial thing: nearly three metres wide, with a rubble core faced on both sides with large block-like slabs. For most of the rest of its circuit, however, only the sod-covered foundation courses remain, and a later field boundary has been built directly on top of the wall at the northern side, compounding the difficulty of reading the original plan. The Ordnance Survey Fair Plan, the nineteenth-century large-scale mapping project that recorded the Irish landscape in exceptional detail, marked the site simply as "Fort", which suggests it was at least partially visible when surveyors passed through, though much has been lost or obscured since.