It stands just 1.2 metres tall, rounded, oblong in plan, and cut from local granite. And yet whoever placed it here chose the spot with care: the hillock looks out over Bearna Dhearg Bay to the north, giving the stone a commanding relationship with the water and the horizon beyond.

Standing stones of this kind are among the most enduring and least understood features of the Irish landscape. They were erected across a broad span of prehistory, most commonly during the Bronze Age, though the purposes attributed to them range from territorial markers and burial indicators to astronomical alignments and ritual focal points. In truth, no single explanation covers them all. What can be said of the Keelkyle example is that the placement feels deliberate: elevated ground, a clear outlook, a durable material. Granite weathers slowly, which may partly explain why a stone set in the ground thousands of years ago can still read so clearly against the sky.