Scheduled MonumentsWalesCastellor Hut Group
Prehistoric · Unenclosed hut circle

Castellor Hut Group

Anglesey, Wales
Cadw SAM AN088
Period
Prehistoric
Site type
Unenclosed hut circle
Broad class
Domestic
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Castellor Hut Group is a prehistoric unenclosed settlement consisting of hut circles situated on Ordovician bedrock in Wales. The underlying mudstones, siltstones and sandstones were laid down during the Ordovician period over 400 million years ago, creating the geological foundation upon which Bronze Age communities later established their dwellings. These ancient rocks have weathered to create the landscape that would have drawn prehistoric settlers to this location.

The hut circles at Castellor represent a form of settlement typical of the later prehistoric period, when communities inhabited open, undefended sites rather than fortified enclosures. Individual house platforms are visible as circular depressions in the ground, marking where timber-framed or stone-built structures once stood. The arrangement of multiple huts suggests a small communal settlement rather than a single isolated homestead, indicating social organisation and sustained occupation.

Castellor Hut Group is protected as a scheduled ancient monument under Cadw, the Welsh heritage protection authority, with reference number AN088. This designation recognises the archaeological significance of the site as evidence of prehistoric settlement patterns and domestic life in Wales. The monument survives as an earthwork resource, preserving information about Bronze Age communities and their relationship with the local landscape.

Castellor Hut Group is a scheduled monument protected by Cadw under reference AN088. View the official record →

About this monument

Questions & answers

What is Castellor Hut Group?

Castellor Hut Group is a prehistoric unenclosed settlement consisting of hut circles situated on Ordovician bedrock in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference AN088.

What period does Castellor Hut Group date from?

Castellor Hut Group dates from the prehistoric period, and is classified as a unenclosed hut circle. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Castellor Hut Group?

Castellor Hut Group 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 AN088.

What other scheduled monuments are near Castellor Hut Group?

Several scheduled monuments lie within 10 km, including Tŷ Newydd Chambered Tomb (2.4 km), Bodfeddan Inscribed Stone (2.5 km), Felin Carnau Tide Mill (3.7 km).

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Everything a full report reveals about Castellor Hut Group

This page is just one thread. A full Aubrey report pulls together 13 strands of Castellor Hut Group'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 Castellor Hut Group

Castellor Hut Group stands on Ordovician Rocks (Undifferentiated), bedrock that formed in the Ordovician. The rock here is mudstone, siltstone and sandstone.

The wider landscape

Around Castellor Hut Group

Bryn Celli DduArchaeological site · ~11.3 miles