Only the lower courses of the wall remain, and even those are partly obscured by the encroaching peat, but enough survives to read the outline of a small, round hut, roughly two and a half metres in diameter, with a narrow south-facing entrance just forty centimetres wide. The wall itself, built in the drystone manner without mortar, shows horizontal slabs set into the western and northern sections, a detail that suggests some care in construction despite the overall rough character of the build.

Drystone hut sites of this kind are found across the uplands of Kerry and broader Munster, and while many are difficult to date precisely without excavation, they are generally associated with seasonal pastoral activity, the transhumance tradition of moving livestock to higher ground during summer months. The structure at Fehanagh does not stand alone. Another hut site abuts it directly to the west, and a third lies just three metres to the north-east, suggesting this was once a small cluster of shelters used by people working the hill pasture, rather than a solitary or incidental building. Together they form a modest but legible trace of a working landscape that has since been largely reclaimed by rough grazing and bog.