At just 0.8 metres tall and just over a metre long, it is not a monument that announces itself. It would be easy to walk past it, or to mistake it for any other field stone, were it not for the deliberate orientation running north-north-east to south-south-west, a directional precision that suggests it was placed with care rather than cleared from someone's field.

Standing stones of this kind are scattered across County Cork and the wider Irish landscape, and they date broadly to the Bronze Age, though pinning an exact period to any individual example is rarely straightforward without excavation. What makes this one quietly interesting is the companion feature: a smaller stone slab set into the ground roughly half a metre to the west of the upright stone. Such paired arrangements are known elsewhere in the Irish record, and while their precise function remains a matter of archaeological debate, they may mark boundaries, burial sites, or astronomical alignments, or some combination of purposes that no longer maps neatly onto modern categories. The Derrymihin stone is modest even by the standards of its type, but the presence of that second, earthbound slab suggests something more considered than a lone marker planted in isolation.