Scheduled MonumentsWalesPen-y-Gaer Camp
Prehistoric · Hillfort

Pen-y-Gaer Camp

Denbighshire, Wales
Cadw SAM DE045
Period
Prehistoric
Site type
Hillfort
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Pen-y-Gaer Camp is a prehistoric hillfort located in Wales and protected by Cadw as a scheduled monument under reference DE045. The site occupies high ground underlain by Ludlow Rocks, a geological formation of mudstone, siltstone and sandstone deposited during the Ludlow period. This solid bedrock foundation would have presented both opportunities and challenges to its Iron Age builders, offering a defensible position whilst requiring considerable effort to construct earthwork fortifications.

The hillfort follows the typical Iron Age pattern of a defended settlement, with its position commanding views across the surrounding landscape. The underlying geology of mixed sedimentary rocks shaped the character of the site, determining where ditches could be most effectively dug and where ramparts could be most securely founded. The Ludlow Rocks, though not particularly hard, would have been workable with prehistoric tools whilst providing sufficient stability for substantial earthwork construction.

Today Pen-y-Gaer Camp remains a significant example of Iron Age settlement strategy in Wales. Its preservation as a protected monument allows the relationship between topography, geology and human settlement to be studied, offering insight into how prehistoric communities selected and utilised defensive positions across the Welsh landscape. The site's survival reflects both the durability of its earthwork construction and the region's archaeological significance.

Pen-y-Gaer Camp is a scheduled monument protected by Cadw under reference DE045. View the official record →

About this monument

Questions & answers

What is Pen-y-Gaer Camp?

Pen-y-Gaer Camp is a prehistoric hillfort located in Wales and protected by Cadw as a scheduled monument under reference DE045.

What period does Pen-y-Gaer Camp date from?

Pen-y-Gaer Camp dates from the prehistoric period, and is classified as a hillfort. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Pen-y-Gaer Camp?

Pen-y-Gaer Camp is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is DE045.

What other scheduled monuments are near Pen-y-Gaer Camp?

Several scheduled monuments lie within 10 km, including Derwen Cross (5.4 km), Tom Dongen Round Barrow (5.8 km), Mynydd Cricor Barrow (6.1 km).

Unlimited access

Everything a full report reveals about Pen-y-Gaer Camp

This page is just one thread. A full Aubrey report pulls together 13 strands of Pen-y-Gaer Camp's history, each drawn from the record and mapped to the exact spot:

Overview
An interactive map of the location with every monument and battle plotted, and a plain-language history built only from what the record holds.
Monuments
The legally protected scheduled monuments around the location, each with its period, type and significance.
Battlefields
The battles and sieges fought on this ground, mapped and set on a timeline of the wider conflict.
Roman Britain
The Roman roads, forts and towns near here, and the Iron Age people who held the land before Rome arrived.
Civil War
The Civil War fighting, garrisons and recorded militaria in this area, woven into the arc of 1642 to 1651.
Geology
The bedrock beneath the site, its age and rock type, reaching back hundreds of millions of years.
Local Names
What the street and field names around here actually mean, and the history buried inside them.
Historical Maps
Ordnance Survey maps from the 1800s, layered over the location as it stands today.
Literature
The books, county histories, charters and archives that mention this place, quoted with their sources.
Legal
The protected sites nearby and the metal-detecting, access and treasure laws that apply to this ground.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Target Zones
For detectorists: the most promising ground to search nearby, ranked by confidence, with what to expect.
Timeline
The whole story of the location told era by era, from prehistory to the present day.
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The ground beneath

The bedrock under Pen-y-Gaer Camp

Pen-y-Gaer Camp stands on Ludlow Rocks (Undifferentiated), bedrock that formed in the Ludlow. The rock here is mudstone, siltstone and sandstone.