The Callanish Stones: The Stone Circle That Watches the Moon

The standing stones of Callanish on the Isle of Lewis, tall grey slabs of Lewisian gneiss rising from green grass under a cloudy sky

About 6 min readOn a windswept ridge on the Isle of Lewis, fifty stones of ancient gneiss have stood for five thousand years in the shape of a cross. Every eighteen and a half years, the moon rises over the hills and seems to walk along them — an alignment the builders may have watched for generations.