It sits in a woodland area known as Coill Bhaile Uí Fhlaithimh, shaped not in the rounded mound form most people associate with prehistoric burial cairns, but in a rough quadrant, its southwestern and southeastern edges defined by straight field walls. The southeastern wall has since collapsed into ruin. The whole structure measures approximately 11 metres northwest to southeast and around 14 metres northeast to southwest, rising to just under a metre at its highest point.

What makes this cairn genuinely puzzling is a detail noted in the Dingle Peninsula archaeological survey compiled by J. Cuppage in 1986. A line of horizontally-laid stones, about 2.5 metres long, extends northwestward along the cairn's edge from the northeastern end of the ruined wall. It is a small but specific feature, the kind of thing that tends to accumulate interpretations. The survey itself entertains a fairly prosaic explanation: the cairn may simply be a heap of stone debris cleared away when the field wall was demolished or removed. In other words, what looks like a deliberate monument may be little more than the residue of agricultural tidying, the stones from a dismantled boundary piled at its edge rather than carted away. That possibility does not make the structure less interesting; if anything, it places it in the long, largely undocumented history of the Dingle landscape being quietly rearranged by people working the land.