Photo: Peter Trimming · CC BY-SA 2.0
240 km
Some of Stonehenge's stones were brought from Wales, about 240 kilometers away.
5 min readLast updated
The short answer
Yes. Geologists have matched Stonehenge's bluestones to outcrops in the Preseli Hills of Pembrokeshire, Wales, roughly 240 kilometers from the monument. People moved them there around 5,000 years ago.
Why it's true
Stonehenge has two main kinds of stone. The giant sarsens, which form the famous outer circle and trilithons, are local sandstone. The smaller bluestones are different rocks, mostly dolerites and rhyolites, that do not occur on Salisbury Plain. Detailed geochemical studies have traced several of them to specific outcrops in the Preseli Hills, including Carn Goedog and Craig Rhos-y-felin.
At those quarries, archaeologists have found evidence of Neolithic stone working, such as stone wedges, platforms and hearths, dated to around 3000 BC. That matches the period when the bluestones are thought to have been set up at Stonehenge. The evidence strongly suggests people, not glaciers, moved them.
How they did it is still debated, with sledges and wooden rollers over land being one leading idea.
By the numbers
~240 km
Distance from the Preseli Hills
2 to 5 t
Typical bluestone weight
~3000 BC
Quarrying evidence in Wales
700+ km
Altar Stone's journey from Scotland
How we know
The link with Wales was first proposed by geologist Herbert Henry Thomas in 1923, who compared the bluestones with rocks in the Preseli Hills. Modern techniques have refined his work, analysing mineral chemistry to pinpoint individual outcrops. Excavations led by archaeologist Mike Parker Pearson and colleagues at the quarries in the 2010s revealed traces of the people who extracted them.
Research has also traced the other stones. A 2020 study found that most sarsens came from West Woods, about 25 kilometers north. In 2024, a study in the journal Nature showed that the Altar Stone, a six tonne block at the centre, came from northeast Scotland, more than 700 kilometers away, making Stonehenge's sourcing even more remarkable.
Stonehenge's wider landscape
Stonehenge sits within a landscape packed with other monuments, including burial mounds, a ceremonial avenue and the huge timber circle site at Durrington Walls nearby.
Excavations there have found evidence of large feasts, with animal bones showing people travelled from across Britain, possibly for midwinter gatherings.
Worth remembering
- Stonehenge's bluestones came from the Preseli Hills in Wales, about 240 kilometers away.
- Quarry sites in Wales show Neolithic people extracted them around 3000 BC.
- The Altar Stone came from Scotland, more than 700 kilometers away.
In context
Neolithic Britain was a world of farmers using stone tools, without metal or the wheel in common use. Yet these communities organised huge projects. Building and rebuilding Stonehenge over many centuries suggests shared beliefs and cooperation across wide areas, perhaps linking people in Wales, southern England and beyond.
Stonehenge's alignment with the summer and winter solstice sunrises and sunsets also shows careful observation of the sky, suggesting it was tied to the seasons and the calendar.
Stonehenge is now part of a UNESCO World Heritage Site together with Avebury, another great stone circle nearby. English Heritage manages the site, and each year thousands of people gather at sunrise on the summer solstice, a modern tradition that echoes the alignments its builders designed thousands of years ago. Visitors usually view the stones from a path around the circle.
A closer look
Why bring stones so far?
Archaeologists think the bluestones may have had special meaning, perhaps tied to ancestors or to sacred places in Wales.
Moving them could have been a way to unite communities, carrying a piece of their homeland to a new monument.
Building in stages
Stonehenge was not built at once. It began around 3000 BC as a circular ditch and bank, with later phases adding and rearranging stones over many centuries.
The large sarsens were raised around 2500 BC, when the bluestones were also reset into new arrangements.
Testing the theories
Experiments have shown that a few dozen people can move a two tonne stone on a wooden sledge over greased rails at a steady pace.
Results like these show the journey was difficult but entirely possible with Neolithic technology.
Related facts
Built around the same time as Stonehenge's sarsens the Great Pyramid's height record.
For another timeline from that era mammoths outlived the pyramids' construction.
More prehistoric wonders the Lascaux cave was closed to protect its art.
More British archaeology Sutton Hoo's ghost ship.
Key terms
- Bluestone
- The name for Stonehenge's smaller stones, mainly from the Preseli Hills in Wales.
- Sarsen
- A hard sandstone from southern England used for Stonehenge's largest stones.
- Neolithic
- The New Stone Age, when farming began and stone tools were still used.
Myth vs reality
Myth
Glaciers carried the bluestones most of the way to Salisbury Plain.
Reality
Quarry evidence in Wales and the lack of glacial deposits on the route point to people moving them.
People also ask
Where did the Stonehenge bluestones come from?
From the Preseli Hills in Pembrokeshire, southwest Wales. Geochemical studies have matched them to specific outcrops such as Carn Goedog and Craig Rhos-y-felin.
How heavy are the bluestones?
Typically around two to five tonnes each. The much larger sarsens can weigh over twenty tonnes.
How were the stones moved?
No one knows for certain. Leading ideas include sledges dragged over wooden tracks or rollers, using large teams of people.
Where did the big sarsen stones come from?
A 2020 study traced most of them to West Woods, about 25 kilometers north of Stonehenge in Wiltshire.
Where did the Altar Stone come from?
A 2024 study published in Nature traced it to northeast Scotland, more than 700 kilometers away. How it was transported is still being researched.
