It is easy to miss, and that is partly what makes it worth knowing about. This is one of several hut sites clustered on the hillside at Castlequarter, each a remnant of domestic life within a landscape that was, at some point in the prehistoric past, far more organised and inhabited than it appears today.

The hut sits on a fairly level terrace cut into the slope, measuring roughly 6.2 metres north to south and 5 metres east to west. Its outline is still legible: a bank about a metre wide defines the northern edge, boulders mark the southern side, and low grass-covered stones trace the east and west. It belongs to the wider Spinans Hill hillfort complex, one of the larger such systems in Leinster. Hillforts are enclosures, usually defined by earthen banks or stone ramparts and typically sited on elevated ground, and the one on Brusselstown Hill directly above this site retains its stone rampart. The hut sites below it suggest that people were not simply using the hillfort as an occasional refuge but may have been living within or immediately beneath its defences, sheltering on terraces that caught the southern light.