Stonehenge's Wooden Origin
Archaeologists Uncover 5,000-Year-Old Wooden Solstice Monument Predating Stonehenge
Key Points
Radiocarbon results from the pottery were unusually concentrated: the team reported “40 clustered dates” that suggest the Bulford monument/site was likely occupied for a relatively brief period—“around 10 years.”
Archaeoastronomer Dr. Fabio Silva explained how confirming the alignment requires “reconstruct[ing] the sky… exactly 5,000 years ago,” noting that “The sky… change very slowly throughout the centuries. We don't really notice it during our lifetimes.”
Phil Harding said the significance became clear when he drew a line between two larger postholes, finding it “about 50 degrees off the direct north,” which he recognized as “pretty much the line of the midsummer sunrise.”
Based on the dimensions of the post pits, researchers estimated the two wooden poles stood roughly “three to four meters high.”
One pit along the alignment is described as potentially a “viewing station,” and the rare disc-shaped flint knife there is said to have been “deliberately placed”—possibly as a symbolic reference to a “sun disc.”
Archaeologists have found a 5,000-year-old wooden monument near Stonehenge that appears to be its earliest known predecessor. The structure, built around 2950 BC at Bulford — just 5km from Stonehenge — used two massive wooden poles to track the midsummer sunrise and midwinter sunset, roughly 500 years before Stonehenge's famous stone circle was raised. Wessex Archaeology announced the findings just days before the 2026 summer solstice.
The discovery came during excavations for Ministry of Defence housing on a 13-hectare site. Lead archaeologist Phil Harding, known from TV's Time Team, called it "the highlight of my career." Researchers say the find pushes back the timeline of astronomical monument-building in Britain by half a millennium.
Two Wooden Poles Set 120 Meters Apart
The monument consisted of two large wooden poles spaced 120 meters apart. Each stood roughly 3 to 4 meters tall, based on post pits about 1 meter deep. Harding spotted the alignment by drawing a line between the two largest postholes. The line ran "about 50 degrees off direct north," he told The Guardian — "pretty much the line of midsummer sunrise. I got really, really excited."
A third pit along the same line is described as a possible "viewing station." Inside it, excavators found a rare disc-shaped flint knife. Researchers believe it was "deliberately placed" there — possibly as a symbolic stand-in for the sun itself, Sky News reported.
Reconstructing the Sky as It Looked 5,000 Years Ago
Confirming the alignment wasn't simple. Archaeoastronomer Dr. Fabio Silva had to model how the sky looked in 2950 BC. Earth's axis shifts slowly over time — a process called precession. "The sky changes very slowly throughout the centuries," Silva explained to The Guardian. "We don't really notice it during our lifetimes." His modeling confirmed the poles formed a precise "gunsight" aimed at the solstice sun.
Silva's method also factored in the physical width of the poles themselves. That level of precision, AP noted, makes this one of the earliest confirmed examples in Britain of a monument deliberately built for astronomical observation.
A Decade of Ritual Use, Then Abandoned
The team gathered 40 radiocarbon dates from pottery and organic remains across 48 pits on the site. The dates cluster tightly — suggesting the monument was used for only about 10 years. Despite that short window, the pits held pottery, cattle bones, worked flints, and the rare disc knife. The pits were later filled with chalk rubble, a practice linked to high-status Neolithic sites, according to ca.news.yahoo.com.
Dr. Matt Leivers of Wessex Archaeology told Sky News the Bulford site may have been "a campsite of the builders of the first phase of Stonehenge." He added: "It's inconceivable that those at Bulford and those at Stonehenge didn't know about each other — they may have been the same people."
A Housing Project Accidentally Uncovered British History
The site at Bulford was earmarked for Army housing to accommodate troops returning from Germany. UK planning law requires archaeological surveys before construction begins. Wessex Archaeology spent 2015 to 2017 in the field, then nearly a decade on analysis. The housing now sits on top of the site, hellorayo.co.uk reported — the monument is gone, but its record survives.
Experts say the find may prompt a second look at other posthole sites across Salisbury Plain that were previously dismissed as ordinary. The "Stonehenge World Heritage" tourist trail could eventually extend toward Bulford, giving visitors a new chapter in one of the world's most studied prehistoric landscapes.
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