Scheduled MonumentsWalesMynydd y Garn Enclosure
Post Medieval/Modern · Enclosure

Mynydd y Garn Enclosure

Breconshire, Wales
Cadw SAM BR410
Period
Post Medieval/Modern
Site type
Enclosure
Broad class
Domestic
Nation
Wales
The designation
Reference
Cadw SAM BR410
Authority
Cadw
Designated
2010-06-09
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Mynydd y Garn Enclosure is a post medieval or modern field enclosure located in Wales, protected as a scheduled monument under Cadw reference BR410. The structure sits upon Dinantian bedrock, a limestone formation interspersed with sandstone and argillaceous rocks that underlie much of this region. These carboniferous deposits, formed during the Mississippian period, have long shaped both the landscape and the practical constraints of land management in the area.

The enclosure represents a phase of agricultural organisation that post-dates the medieval period, reflecting patterns of pastoral or arable land division common across Wales from the early modern era onwards. Such enclosures frequently demonstrate the gradual process of land consolidation and the establishment of defined field boundaries that characterised the evolving Welsh countryside. The monument's position on the upland terrain of Mynydd y Garn situates it within a landscape where stock management and seasonal grazing have traditionally been central to rural economy.

The enclosure's preservation as a scheduled monument recognises its archaeological and historical significance as evidence of land use practices and social organisation. Though modest in appearance, field enclosures such as this document the everyday processes through which communities structured and exploited their environment, making them valuable records of Welsh rural heritage extending into comparatively recent centuries.

Mynydd y Garn Enclosure is a scheduled monument protected by Cadw under reference BR410. View the official record →

About this monument

Questions & answers

What is Mynydd y Garn Enclosure?

Mynydd y Garn Enclosure is a post medieval or modern field enclosure located in Wales, protected as a scheduled monument under Cadw reference BR410.

What period does Mynydd y Garn Enclosure date from?

Mynydd y Garn Enclosure dates from the post medieval/modern period, and is classified as a enclosure. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Mynydd y Garn Enclosure?

Mynydd y Garn Enclosure 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 BR410.

What other scheduled monuments are near Mynydd y Garn Enclosure?

Several scheduled monuments lie within 10 km, including Dinas Silica Mine (7.1 km), Craig y Ddinas Hillfort (7.2 km), Site of Hirwaun Ironworks (7.6 km).

Unlimited access

Everything a full report reveals about Mynydd y Garn Enclosure

This page is just one thread. A full Aubrey report pulls together 13 strands of Mynydd y Garn Enclosure'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 Mynydd y Garn Enclosure

Mynydd y Garn Enclosure stands on Dinantian Rocks (Undifferentiated), bedrock that formed in the Mississippian. The rock here is limestone with subordinate sandstone and argillaceous rocks.

The wider landscape

Around Mynydd y Garn Enclosure

Caerphilly CastleArchaeological site · ~20.3 miles