Hollingsbury Camp Brighton – A Hillfort… or a Forgotten Harbour?
Contents
- 1 Introduction
- 2 Author’s Biography
- 3 Exploring Prehistoric Britain: A Journey Through Time
- 4 Further Reading
- 5 Other Blogs
Introduction
There is a single bank and ditch at Hollingbury, roughly square with rounded corners, enclosing around 9 acres (3.6 ha). The original entrances lie to the east and west, with the western entrance distinctly inturned—classic “defensive” design, we’re told. Pottery recovered during excavation places it neatly in the Iron Age, around 450–250 BC.
And that’s where the story usually stops.
But let’s actually look at the landscape.
Inside the enclosure sit three Bronze Age bowl barrows, aligned north–south near the centre. That alone tells us the site had significance long before the so-called Iron Age “fort” was constructed. This isn’t a one-phase monument—it’s a reused landscape.
Now here’s where it gets interesting.
The Harbour That Nobody Talks About
When you strip away the modern assumptions and look at the terrain model, Hollingbury reveals something far more compelling—a natural basin, a sheltered hollow with clear defensive sides.
In other words:
➡️ A harbour.
Not a symbolic one. A functional one.
A place where vessels could shelter, protected from prevailing conditions, connected to wider water systems leading toward the Channel.
If you accept—based on measurable hydrology—that early Holocene Britain operated under significantly higher water tables and river levels, then sites like Hollingbury stop being “hillforts” and start being coastal or inland port infrastructure.
This is not speculation—it follows directly from the physics of post-glacial drainage and landscape response.
Trade, Not Tribes
Look around the perimeter and you’ll find pits and quarries.
Archaeology calls them “extraction features.”
But ask the obvious question:
➡️ Extraction for what purpose?
The answer is trade.
Minerals, flint, chalk products—materials that had value and were moved. You don’t build infrastructure like this for isolation. You build it for exchange.
The Dating Problem Nobody Wants to Address
The conventional timeline—Iron Age construction—relies heavily on pottery and standard dating frameworks.
But those frameworks have known limitations:
➡️ Reworked material
➡️ Contamination
➡️ Reservoir effects
➡️ Post-depositional movement
All of which can shift dates significantly, especially in water-influenced environments .
So if the landscape itself was water-dominated for thousands of years after the Ice Age…
➡️ Then the context in which those artefacts were deposited is already compromised.
Which raises the uncomfortable possibility:
👉 The site could be far older than the assigned Iron Age label
👉 Potentially Late Mesolithic / Early Neolithic (~6000 years ago)
Midsummer, Memory, and Meaning
We’re told Hollingbury is a place of ritual—midsummer fires, folklore, Druids, dragons in burial mounds.
And yes, those traditions matter.
But they’re secondary.
They are memory, not origin.
People return to meaningful places. They reuse them. They mythologise them.
But they rarely build them without purpose in the first place.
So What Is Hollingbury?
Not just a hillfort.
Not just a burial ground.
Not just a ritual landscape.
➡️ It is infrastructure.
➡️ It is positioned for water.
➡️ It is aligned with trade.
➡️ It is reused across millennia.
And once you factor in post-glacial hydrology, it makes perfect sense.
The Bigger Picture
Hollingbury isn’t unique.
It’s part of a pattern:
➡️ Elevated sites
➡️ Basin-like interiors
➡️ Resource extraction nearby
➡️ Later “defensive” reinterpretation
What archaeology calls “hillforts” may in many cases be the fossilised remains of a water-based transport and trading network—one that existed in a very different Britain.
A Britain that was still draining from the Ice Age.
The question isn’t whether these sites were reused in the Iron Age.
They clearly were.
The question is:
👉 What were they before that?
The Prehistoric AI Team 🤖
(Still following the water… because the archaeology won’t 😎)