What makes this structure quietly arresting is its incompleteness: three sides exist, the south is open, and it is not immediately obvious what the structure was for. It measures roughly 1.8 metres north to south and 1.5 metres east to west, with the tallest upright reaching just over a metre. Compact, ambiguous, and easy to overlook, it occupies an edge of a plateau that long predates any single interpretation.

The construction makes use of the terrain in a specific way. The two slabs forming the western side are set parallel to one another inside a gryke, the natural fissure formed when rainwater dissolves the joints between limestone blocks, a defining feature of karst landscapes like the Burren. Lodging upright stones within a gryke would have given them natural stability without the need for deep burial. The eastern side is a single upright slab oriented roughly north to south, and the northern side is likewise a single slab, though this one appears to have shifted from its original position, now sitting at a slightly different angle to the rest. At some later point the whole structure was absorbed into a drystone field wall running north to south, which is how it survived at all, embedded in the fabric of an agricultural landscape rather than standing apart from it. About ten metres to the south lies an enclosure, and roughly fifty metres south of the megalithic structure stands Lissaniska cashel, a stone ringfort, pointing to a concentration of activity in this area across different periods.