What is Doggerland's role?

Doggerland was a now-submerged Neolithic landmass beneath the North Sea. With no local rock outcrops, any sizable boulders found there had to arrive from elsewhere, possibly by ice.

The team proposes the Altar Stone landed at Dogger Bank through glacial transport. As sea levels rose at the close of the last ice age, communities in the region may have salvaged the rock and moved it inland.

From Doggerland, travelers could have followed the Berkshire Ridgeway, an ancient corridor often described as one of Europe's oldest roads, toward Salisbury Plain.

Could humans have done the entire job?

The short answer is no. Glaciers did some of the work, but the evidence still points to people finishing the job.

Co-lead author Dr. Anthony Clarke of Curtin's School of Earth and Planetary Sciences framed the trip as a multi-stage operation. "Rather than being carried naturally by ice, the evidence points to a deliberate, carefully planned movement across a challenging and varied landscape," Clarke said.

His team's modeling shows ice could have moved the rock part of the way, but not into southern England. Human transport covered the remaining hundreds of kilometers, likely combining overland hauling with river or coastal sections where geography allowed.

What does this change for how we read Neolithic Britain?

The findings reposition the Altar Stone as an object of value well before Stonehenge took shape. If Doggerland communities prized the rock enough to haul it inland from a sinking coastline, then its later installation at Salisbury Plain built on a longer story of cultural attachment.

Veness raised that prospect directly: "What is exciting about these findings is that they could imply that the people of Doggerland attached cultural significance to the Altar Stone long before it was incorporated into Stonehenge."

Moving a six-ton block across varied terrain also implied structured cooperation across regions and generations. "Transporting a stone of this size over such a long distance would have required planning, coordination and a deep understanding of the landscape -- not to mention tremendous determination," Clarke said.

The team now plans to pinpoint the Altar Stone's exact Scottish source and map the routes communities may have used to carry it south. Partners on the work include the University of Sheffield, Wessex Archaeology, and the University of Bristol.

The Altar Stone's path may never resolve into a single road on a map, but the new models narrow what counts as plausible, and they put glaciers back into the story of Stonehenge.