The circular hut in question measures just 2.4 metres in diameter, its drystone walls, built without mortar by carefully fitting stones together, still standing to a height of 0.75 metres on the south-south-east to north arc, while on the opposite arc only the crowns of the stones break the surface, partly swallowed by grass and the creeping bog.

What makes the site more than a curiosity is its context. The hut sits within a pre-bog field system, a network of enclosures and boundaries that was already ancient when the bog began to grow over it, preserving the whole arrangement beneath layers of peat. Bogland has a habit of doing this, sealing landscapes in place and protecting stone, timber, and occasionally organic material from the decay that would otherwise erase them. The Ballagh hut was not an isolated dwelling either; two further hut sites of the same type lie just ten metres to the south-east, suggesting a small cluster of structures rather than a single lonely shelter. Together they form a fragment of a managed, occupied landscape that predates the very bog that now holds them.