Scheduled MonumentsWalesHolywell Castle Mound
Medieval · Motte

Holywell Castle Mound

Flintshire, Wales
Cadw SAM FL029
Period
Medieval
Site type
Motte
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Holywell Castle Mound is a medieval motte occupying a commanding position in the Welsh landscape. The mound rises from bedrock of Bowland High Group and Craven Group mudstones, siltstones and sandstones, deposited in the Bashkirian period of the Carboniferous. This solid geological foundation provided a stable base for the earthwork's construction and has helped preserve the structure through subsequent centuries.

The motte exemplifies the mound-and-bailey castle form that became prevalent in medieval Britain following the Norman conquest. Such fortifications served as administrative centres and strongholds, typically occupied during the 11th and 12th centuries. The height and position of the mound would have offered both defensive advantage and visibility across surrounding territory, essential for controlling local routes and settlements.

The site remains substantially intact and is protected by Cadw, the Welsh historic monuments authority, under reference FL029. The survival of the earthwork, undisturbed by later stone building or substantial erosion, permits study of its original form and construction method. The motte stands as evidence of the medieval consolidation of Norman authority and settlement patterns across Wales.

Holywell Castle Mound is a scheduled monument protected by Cadw under reference FL029. View the official record →

About this monument

Questions & answers

What is Holywell Castle Mound?

Holywell Castle Mound is a medieval motte occupying a commanding position in the Welsh landscape. It is designated a Scheduled Ancient Monument by Cadw under reference FL029.

What period does Holywell Castle Mound date from?

Holywell Castle Mound dates from the medieval period, and is classified as a motte. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Holywell Castle Mound?

Holywell Castle Mound 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 FL029.

What other scheduled monuments are near Holywell Castle Mound?

Several scheduled monuments lie within 10 km, including Round Barrow 180m E of Mwccwd (5.9 km), Hen-y-Fail Round Barrow (6.8 km), Bryn y Cwm Mound & Bailey Castle (7.1 km).

Unlimited access

Everything a full report reveals about Holywell Castle Mound

This page is just one thread. A full Aubrey report pulls together 13 strands of Holywell Castle Mound'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.
First month just £4.99, then £9.99 a month. Unlimited locations, cancel anytime.

Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.

Start your Holywell Castle Mound report
Or see a real report first
The ground beneath

The bedrock under Holywell Castle Mound

Holywell Castle Mound stands on Bowland High Group And Craven Group (Undifferentiated), bedrock that formed in the Bashkirian. The rock here is mudstone, siltstone and sandstone.