17/05/2026
This ancient island is older than the pyramids — and even Stonehenge.
Archaeologists studying Loch Bhorgastail on the Isle of Lewis in Scotland have revealed a remarkable Neolithic crannog — a human-made island built more than 5,000 years ago. These artificial islands were once thought to belong mainly to the Iron Age, but this discovery shows that people in the British Isles were building complex lake structures far earlier than previously believed.
Beneath what looks like a small stone island, researchers found a circular timber-and-brushwood platform about 23 meters wide. The site also includes a submerged stone causeway linking it to the shore, along with hundreds of pottery fragments, some containing ancient food residues. These finds suggest the island was not just a structure, but a place where people gathered, prepared food, and possibly held ritual feasts.
What makes the discovery even more exciting is the technology behind it. Shallow water around lochs is notoriously difficult to study because it is too deep for normal land surveying and too shallow for many marine tools. Archaeologists call this missing survey zone the “white ribbon.” To overcome it, the team used waterproof stereo cameras, underwater photogrammetry, drone imagery, and ground-control points to create detailed 3D models of the site.
This breakthrough could help researchers uncover many more hidden prehistoric sites beneath Scotland’s shallow waters — places that may completely reshape what we know about Neolithic engineering, community life, and ritual landscapes.
Source:
Blankshein, S., Pedrotti, F., Sturt, F., & Garrow, D. At the Water’s Edge: Photogrammetry in Extreme Shallow-Water Environments. Advances in Archaeological Practice, Cambridge University Press. DOI: 10.1017/aap.2025.10145.