Prehistoric · Hillfort

Gaer Fach

Breconshire, Wales
Cadw SAM BR053
Period
Prehistoric
Site type
Hillfort
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Gaer Fach is a prehistoric hillfort located in Wales, protected by Cadw under reference BR053. The site sits upon Pridoli rocks, a foundation of mudstone, siltstone and sandstone formed during the Pridoli period, which provides a naturally firm base for the substantial earthworks characteristic of Iron Age hillforts. This geological substrate would have offered both defensive advantages and practical stability for construction.

The monument exemplifies the hillfort tradition of prehistoric Wales, a settlement type that emerged during the later Bronze Age and flourished throughout the Iron Age. Such sites typically occupied prominent topographical positions to command views across surrounding territory and provide defensive capability against both rival communities and external threats. The choice of this particular location reflects the strategic thinking of its builders.

Gaer Fach remains an important archaeological monument within Wales's prehistoric landscape. Its protection by Cadw recognises its significance as evidence for the social organisation, settlement patterns and defensive strategies of pre-Roman communities. The interplay between the site's position, its geological foundation and its earthwork construction continues to make it valuable for understanding how prehistoric peoples adapted to and exploited the Welsh environment.

Gaer Fach is a scheduled monument protected by Cadw under reference BR053. View the official record →

About this monument

Questions & answers

What is Gaer Fach?

Gaer Fach is a prehistoric hillfort located in Wales, protected by Cadw under reference BR053.

What period does Gaer Fach date from?

Gaer Fach 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 Gaer Fach?

Gaer Fach 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 BR053.

What other scheduled monuments are near Gaer Fach?

Several scheduled monuments lie within 10 km, including Aberyscir Castle Mound (7.1 km), Coed Fenni-Fach Camp (7.2 km), Cross-Slab in Churchyard (8.5 km).

Unlimited access

Everything a full report reveals about Gaer Fach

This page is just one thread. A full Aubrey report pulls together 13 strands of Gaer Fach'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 Gaer Fach

Gaer Fach stands on Pridoli Rocks (Undifferentiated), bedrock that formed in the Pridoli. The rock here is mudstone, siltstone and sandstone.