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Cof Cymru: National Historic Assets of Wales · Wales

Castell Morgraig

Caerphilly, Caerphilly, Wales

A scheduled monument in Caerphilly, recorded as Castle (Medieval).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Castell Morgraig, Caerphilly, with a pin at the register's coordinates
Ordnance Survey six-inch map, 2nd edition (1888–1913), covering this location. Courtesy of the National Library of Scotland. The pin is ours, placed from the register's coordinates.

The record

Designation
Scheduled monument
Site type
Castle
Period
Medieval
Date of designation
28 April 1928
Community
Caerphilly
Unitary authority
Caerphilly
Country
Wales
Coordinates (centre of the scheduled area)
51.55190, -3.21258
SAM number
GM031
Cadw record number
3381

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

5 historical maps cover this location, the earliest the 1636 map "Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ..." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1636 · Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ... (David Rumsey Map Collection, Stanford Libraries)
  • 1865 · England and Wales. England No. 6. (David Rumsey Map Collection, Stanford Libraries)
  • 1895 · Sheet 11. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
  • 1906 · 249 Newport (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1913 · Sheet 102. Newport. (David Rumsey Map Collection, Stanford Libraries)

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This record in Cadw's own full report ↗

Cadw's description

The following provides a general description of the Scheduled Ancient Monument.

The monument comprises the remains of a castle, dating to the medieval period. It is located on the southern boundary of the Welsh lands of Senghennydd Is Caech on a ridge top overlooking the Cardiff plain. The ruined remains consist of a walled pentagonal enclosure about 40m in diameter with the angles defined by the remains of four towers and on the east a keep. It is thought to have been built in the mid thirteenth century and may not have been completed.

The monument is of national importance for its potential to enhance our knowledge of medieval defensive and domestic practices. The monument is well-preserved and an important relic of the medieval landscape. It retains significant archaeological potential, with a strong probability of the presence of both structural evidence and intact associated deposits.

The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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