It is triangular in cross-section and irregular in plan, orientated on a northeast to southwest axis, and it sits at the break of a south-facing slope where cultivated land gives way to bog. There is nothing ceremonial about the landscape around it now; just coarse grass, peat, and the quiet that comes with ground that has never quite been worth draining.

A gallan is the Irish term for a standing stone, typically a single upright megalith whose original purpose remains open to debate. Functions attributed to such stones range from territorial markers and burial indicators to astronomical alignment points, though for most examples the honest answer is that nobody knows for certain. This particular stone was noted in the 1940s as the "great Gallan" in Mangan bog, a designation that suggests it was already a recognised landmark in local memory rather than a newly catalogued curiosity. The stone itself is sandstone, a material common to the Kerry landscape, and its roughly three-metre height would have made it visible across the surrounding bogland even before the vegetation was as managed as it is today.