Stonehenge

Built in stages, over centuries

Stonehenge is not one monument but a sequence of them. The earthwork bank and ditch came first, around 3000 BCE, and cremated human remains were buried in the ring of pits known as the Aubrey Holes. The sarsen trilithons went up a few centuries later, hauled from the Marlborough Downs to the north. The smaller bluestones were rearranged more than once, and Herbert Thomas matched their rock to the Preseli Hills in west Wales in 1923, which has been the settled answer ever since.

The stone that broke the pattern

The Altar Stone lies flat at the center, pinned under two fallen sarsens, and it never fit the Welsh account. In August 2024, a team led by Anthony Clarke at Curtin University published an analysis in Nature of the mineral grains locked inside it. The match was the Orcadian Basin, in northeast Scotland. A follow-up paper ruled out Mainland Orkney specifically, so the source is narrowed and not yet pinned.

Nobody has a settled explanation for how it got there. A slab that size moved that far in the third millennium BCE implies either sea transport around the coast or contact between communities at a range there was no evidence for. Glacial transport, which is the standing counter-argument for the bluestones, works poorly for a single stone arriving from that direction.

The road outside

The A303 runs within sight of the stones and has for decades. A £2 billion plan to bury it in a tunnel past the monument was approved, challenged in court, approved again, and then canceled on July 29, 2024, when the incoming government dropped it in a spending review. English Heritage and the National Trust had backed the tunnel. The archaeologists and campaigners who fought it argued that the portals would cut through undug ground inside the World Heritage Site.

Nothing has replaced the plan, so the traffic stays.

Entry is timed and booked for a slot. English Heritage prices a 2026 adult ticket at 27.20 pounds and a child ticket at 17.20 pounds, with about 15 percent off for booking online instead of at the gate, and members of English Heritage and the National Trust go free.

The standard ticket keeps you on the path outside the circle. Getting between the stones means a separate Stone Circle Experience slot before opening or after closing, in a small group, and those sell out weeks ahead. From the visitor center you can take the shuttle or walk out across the field, and the walk is the better approach in decent weather. Most visitors spend 2 to 3 hours once the exhibition and the reconstructed Neolithic houses are counted in.