Overview

Halfway along the moorland stretch toward the southern end of Canna, the slope begins to rise gently behind old croft fields. Just above this line of settlement, two shallow entrances lead into what at first glance might be mistaken for natural dips in the hillside. They aren’t marked by signage or fencing. No interpretation board explains their origin. But stepping carefully into the cool, low space, it becomes clear that someone built these deliberately.

Each chamber is narrow and slightly curved, made of flat stone slabs with dry-stone side walls. The earth has settled above to form a partial roof, and in places it’s just possible to stand. The ground inside is firm, and often dry, depending on recent weather. Their scale and form suggest food storage, perhaps grain or smoked meat—but there’s no single agreed explanation. Some have suggested seasonal shelter, or ritual use. On a wet day, they offer a break from wind and rain. In warm weather, they stay cool.

There’s something immediate about them. You crouch to enter, feel the shift from wind to still air, and the silence draws focus inward. Moss grows across the outer stones, sheep pass close without stopping. It’s one of the few sites where ancient human activity remains physically accessible, not fenced off or reinterpreted. Just stone, light, and the passage of time.