Scheduled MonumentsWalesDinas Cadnant Hillfort
Prehistoric · Hillfort

Dinas Cadnant Hillfort

Anglesey, Wales
Cadw SAM AN048
Period
Prehistoric
Site type
Hillfort
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Dinas Cadnant Hillfort is a prehistoric fortified settlement situated in Wales and protected as an ancient monument by Cadw under reference AN048. The fort occupies ground underlain by Upper Cambrian metasedimentary rocks of the Tremadoc formation, which date from the Tremadocian period. This geological foundation of ancient metamorphosed sediments would have shaped both the landscape the hillfort commands and the materials available for its construction.

The hillfort itself belongs to a widespread category of Iron Age and earlier defended settlements characteristic of upland Wales. Such sites typically exploited naturally defensive positions, using hilltops or steep-sided ridges to maximise defensive advantage. Their earthwork defences consisted of banks and ditches following the contours of the land, often reinforced by timber palisades.

The site's positioning reflects the settlement patterns and territorial control strategies of prehistoric Welsh communities. The underlying Tremadocian geology, exposed in the ridges and slopes surrounding Dinas Cadnant, would have informed choices about where to locate fortifications and how to exploit the landscape's natural strengths. The monument remains an important record of prehistoric settlement, warfare and social organisation in Wales.

Dinas Cadnant Hillfort is a scheduled monument protected by Cadw under reference AN048. View the official record →

About this monument

Questions & answers

What is Dinas Cadnant Hillfort?

Dinas Cadnant Hillfort is a prehistoric fortified settlement situated in Wales and protected as an ancient monument by Cadw under reference AN048.

What period does Dinas Cadnant Hillfort date from?

Dinas Cadnant Hillfort 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 Dinas Cadnant Hillfort?

Dinas Cadnant Hillfort 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 AN048.

What other scheduled monuments are near Dinas Cadnant Hillfort?

Several scheduled monuments lie within 10 km, including Glascoed Round Cairn (8.5 km), Cae Metta Hut Group (8.6 km), Glascoed Ancient Village (8.7 km).

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Everything a full report reveals about Dinas Cadnant Hillfort

This page is just one thread. A full Aubrey report pulls together 13 strands of Dinas Cadnant Hillfort'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 Dinas Cadnant Hillfort

Dinas Cadnant Hillfort stands on Upper Cambrian, Including Tremadoc, bedrock that formed in the Tremadocian. The rock here is metasedimentary rock.

The wider landscape

Around Dinas Cadnant Hillfort

Bryn Celli DduArchaeological site · ~3.5 miles