What makes it quietly curious is not its size, which is modest, but the fact that it was once incorporated into a field boundary fence. That fence has since been removed, leaving the stone to stand free again, its original purpose as a prehistoric marker now partially obscured by centuries of agricultural reuse.

Standing stones of this kind are found across Ireland and generally date to the Bronze Age, though precise dating for individual examples is rarely possible without excavation. They were set upright in the landscape for reasons that remain debated, including territorial marking, ceremonial use, or alignment with astronomical features. The Coolaniddane stone measures 1.1 metres in height, with a base cross-section of 0.76 by 0.64 metres, giving it a solid, blocky profile rather than the tall and slender form associated with some other examples. The orientation of its long axis along a WNW-ESE line may or may not be deliberate, but it is the kind of detail that tends to reward attention.