Scheduled MonumentsWalesPlas-Yw Round Barrows
Prehistoric · Round Barrow

Plas-Yw Round Barrows

Flintshire, Wales
Cadw SAM FL169
Period
Prehistoric
Site type
Round Barrow
Broad class
Religious, Ritual and Funerary
Nation
Wales
The designation
Reference
Cadw SAM FL169
Authority
Cadw
Designated
1980-05-07
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Plas-Yw Round Barrows is a prehistoric round barrow located in Wales, protected by Cadw under reference FL169. Round barrows are among the most distinctive monuments of Bronze Age Britain, typically constructed as burial mounds over the remains of the deceased, often accompanied by grave goods reflecting the status and beliefs of their community. These earthworks served not only as sepulchres but as permanent landmarks in the landscape, many remaining visible for over three thousand years.

The monument sits upon Ludlow Rocks, undifferentiated mudstone, siltstone and sandstone formations of Ludlow age. This underlying geology of fine-grained sedimentary rock would have presented particular challenges for barrow construction, as the sodden nature of such soils in upland Welsh terrain meant that the mound materials required careful selection and placement to achieve stability. The choice of this location reflects the Bronze Age practice of situating burial monuments at significant points in the landscape, often on elevated ground where they would command long views across the surrounding country.

Like many round barrows across Wales, Plas-Yw represents an important survival of prehistoric funerary practice and Bronze Age social organisation. Such monuments offer insights into the ritual, burial customs and territorial claims of communities during a formative period of British prehistory. The barrow's continued protection ensures that the archaeological record it contains remains available for future investigation and interpretation.

Plas-Yw Round Barrows is a scheduled monument protected by Cadw under reference FL169. View the official record →

About this monument

Questions & answers

What is Plas-Yw Round Barrows?

Plas-Yw Round Barrows is a prehistoric round barrow located in Wales, protected by Cadw under reference FL169.

What period does Plas-Yw Round Barrows date from?

Plas-Yw Round Barrows dates from the prehistoric period, and is classified as a round barrow. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Plas-Yw Round Barrows?

Plas-Yw Round Barrows 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 FL169.

What other scheduled monuments are near Plas-Yw Round Barrows?

Several scheduled monuments lie within 10 km, including Ministry of Supply Valley Site (4.9 km), Moel-y-Gaer Camp (5.5 km), Coed Clwyd Cairns (5.7 km).

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Everything a full report reveals about Plas-Yw Round Barrows

This page is just one thread. A full Aubrey report pulls together 13 strands of Plas-Yw Round Barrows'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 Plas-Yw Round Barrows

Plas-Yw Round Barrows stands on Ludlow Rocks (Undifferentiated), bedrock that formed in the Ludlow. The rock here is mudstone, siltstone and sandstone.