Morgraig Castle ( cy, Castell Morgraig) is a ruined castle, which lies close to the southern borders of the
county borough
County borough is a term introduced in 1889 in the United Kingdom of Great Britain and Ireland, to refer to a borough or a city independent of county council control, similar to the unitary authorities created since the 1990s. An equivalent t ...
of
Caerphilly, overlooking
Cardiff
Cardiff (; cy, Caerdydd ) is the capital city, capital and List of urban areas in the United Kingdom, largest city of Wales. It forms a Principal areas of Wales, principal area, officially known as the City and County of Cardiff ( cy, Dinas a ...
in
Wales
Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...
. It was built in the 13th century, but there is some debate as to who actually built the castle, either
Gilbert de Clare or the Lord of Senghennydd. The castle appears to have never been occupied or completed. It is now a
scheduled monument
In the United Kingdom, a scheduled monument is a nationally important archaeological site or historic building, given protection against unauthorised change.
The various pieces of legislation that legally protect heritage assets from damage and d ...
and a Grade II
listed building
In the United Kingdom, a listed building or listed structure is one that has been placed on one of the four statutory lists maintained by Historic England in England, Historic Environment Scotland in Scotland, in Wales, and the Northern I ...
.
Archaeological investigations and interpretations

Morgraig Castle is located in Caerphilly, on the
escarpment
An escarpment is a steep slope or long cliff that forms as a result of faulting or erosion and separates two relatively level areas having different elevations.
The terms ''scarp'' and ''scarp face'' are often used interchangeably with ''esca ...
of Craig Llanishen, close to the border between the counties of Caerphilly and Cardiff. It was built after 1243, but before 1267.
The castle was first discovered by a group of
archaeologists
Archaeology or archeology is the scientific study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, sites, and cultural landsca ...
from the
Cardiff Museum led by John Ward in the summer of 1895. Ward was aware of stories telling of an ancient British fort and was interested in the particular site because he had seen maps that showed an unusual rectangular shape. Ward oversaw excavations on the site beginning in summer 1903 with excavation financed by
Lord Windsor
Earl of Plymouth is a title that has been created three times: twice in the Peerage of England and once in the Peerage of the United Kingdom.
History
The first creation was in 1675 for Charles FitzCharles, one of the dozens of illegitimate ...
. Ward along with architect J.W. Rodger and historian J.S. Corbett suggested that the castle was built in the 13th century.
Since its discovery, there has been debate about the ruins.
In 1997, newspaper articles appeared claiming that the castle was the location where a Welsh rebellion against English rule was defeated in 1315. In 1997–98,
Cadw
(, a Welsh verbal noun meaning "keeping/preserving") is the historic environment service of the Welsh Government and part of the Tourism and Culture group. works to protect the historic buildings and structures, the landscapes and heritage ...
, the historic environment service of the
Welsh Government
, image =
, caption =
, date_established =
, country = Wales
, address =
, leader_title = First Minister ()
, appointed = First Minister approved by the Senedd, ceremonially appointed ...
, and the
undertook the first major study of the site.
[Cadw, Work of Jack Spurgeon, Heritage in Wales magazine] Amateur historian Jack Spurgeon believes that the builder of Morgraig was an Anglo-Norman lord. He notes that it has some features that suggest it was of Welsh construction, but that inference is contradicted by the absence of ditches, which he considered indicative of North Welsh design at the time.
In the 13th century the castle would have stood on the border between the Welsh Lordship of Senghenydd and the English
Lordship of Glamorgan
The Lordship of Glamorgan was one of the most powerful and wealthy of the Welsh Marcher Lordships. The seat was Cardiff Castle. It was established by the conquest of Glamorgan from its native Welsh ruler, by the Anglo-Norman nobleman Robert FitzH ...
.
The lack of evidence of roofing materials or internal buildings at the site is interpreted to mean that the castle was never completed or occupied.
The
battlement
A battlement in defensive architecture, such as that of city walls or castles, comprises a parapet (i.e., a defensive low wall between chest-height and head-height), in which gaps or indentations, which are often rectangular, occur at inter ...
s found by Ward have now disappeared, but the shape of the walls of towers and the presence of a
newel post
A newel, also called a central pole or support column, is the central supporting pillar of a staircase. It can also refer to an upright post that supports and/or terminates the handrail of a stair banister (the "newel post"). In stairs having str ...
indicate a spiral staircase rising from the first floor. This would have been unusual in a Welsh castle. In addition, carved stones for doorways and windows suggest an English castle. Cadw argue that the castle must have been built by the English because of two factors related to a type of stone used in its construction, known as Sutton stone. Sutton stone was obtained from only one quarry that was depleted in the Middle Ages. According to Cadw, the castle could only have been built during the period that the quarry was in use. They also argue that only the English could have obtained the stone because the site of the quarry near
Ogmore-by-Sea
Ogmore-by-Sea (Welsh: ''Aberogwr'', meaning "Mouth of the River Ogmore") is a seaside village in St Brides Major community in the Vale of Glamorgan, Wales. It lies on the western limit of the Glamorgan Heritage Coast of south Wales. The popu ...
would have been defended by the
de Clare
The House of Clare was a prominent Anglo-Norman noble house that held at various times the earldoms of Pembroke, Hertford and Gloucester in England and Wales, as well as playing a prominent role in the Norman invasion of Ireland.
They were d ...
family, at nearby
Ogmore Castle
Ogmore Castle ( cy, Castell Ogwr) is a Grade I listed castle ruin located near the village of Ogmore-by-Sea, south of the town of Bridgend in Glamorgan, South Wales. It is situated on the south bank of the River Ewenny and the east bank of the R ...
, who opposed the Lord of Senghennydd.

However, a study by Brian Davies of the Gelligaer Historical Society in March 2009 suggests that the castle
keep
A keep (from the Middle English ''kype'') is a type of fortified tower built within castles during the Middle Ages by European nobility. Scholars have debated the scope of the word ''keep'', but usually consider it to refer to large towers in ...
and plain entrance are both features of a Welsh castle. In addition, the Gelligaer Historical Society study suggests that relations between the Lord of Senghennydd and the de Clares were generally friendly at least until the
Second Barons' War
The Second Barons' War (1264–1267) was a civil war in Kingdom of England, England between the forces of a number of barons led by Simon de Montfort, 6th Earl of Leicester, Simon de Montfort against the royalist forces of Henry III of Engla ...
of 1264–1267. The Second Barons' War was a civil war in England between barons led by
Simon de Montfort and
Henry III. At first, de Clare and the Lord of Senghenydd were allied, but in 1266, after the Lord of Senghenydd and
Llywelyn ap Gruffudd
Llywelyn ap Gruffudd (c. 1223 – 11 December 1282), sometimes written as Llywelyn ap Gruffydd, also known as Llywelyn the Last ( cy, Llywelyn Ein Llyw Olaf, lit=Llywelyn, Our Last Leader), was the native Prince of Wales ( la, Princeps Wall ...
aligned themselves with Simon de Montfort,
Gilbert de Clare arrested the Lord of Senghenydd.
In 1257 the de Clare family lost control in the area when Llywelyn ap Gruffudd destroyed their castle at
Llangynwyd
Llangynwyd is a village (and electoral ward) 2 miles to the south of Maesteg, in the county borough of Bridgend, Wales. It was part of the medieval commote (Welsh: ''cwmwd'') of Tir Iarll.
History and amenities
The village is the site of Ll ...
. Cadw argue that the Lord of Senghennydd would then have been able to obtain Sutton stone to build Morgraig Castle.
The Gelligaer Historical Society study suggests that Llywelyn ap Gruffydd had sent his surveyor to help build Morgraig Castle for the Lord of Senghenydd. Gilbert de Clare responded by beginning to construct the larger
Caerphilly Castle
Caerphilly Castle ( cy, Castell Caerffili) is a medieval fortification in Caerphilly in South Wales. The castle was constructed by Gilbert de Clare in the 13th century as part of his campaign to maintain control of Glamorgan, and saw exten ...
in 1268.
The partially completed Caerphilly Castle was burned down in October 1269 by Llewellyn the Last, but construction began again in 1271 and Caerphilly Castle was ultimately completed.
The unfinished Morgraig Castle may have been abandoned at this point because it had no strategic importance to Gilbert de Clare,
with much of its stone work being used elsewhere, including Caerphilly Castle.
The castle is now a
scheduled monument
In the United Kingdom, a scheduled monument is a nationally important archaeological site or historic building, given protection against unauthorised change.
The various pieces of legislation that legally protect heritage assets from damage and d ...
and a Grade II
listed building
In the United Kingdom, a listed building or listed structure is one that has been placed on one of the four statutory lists maintained by Historic England in England, Historic Environment Scotland in Scotland, in Wales, and the Northern I ...
.
See also
*
List of castles in Wales
Wales is sometimes called the "castle capital of the world" because of the large number of castles in a relatively small area. Wales had about 600 castles, of which over 100 are still standing, either as ruins or as restored buildings. The ...
*
Castles in Great Britain and Ireland
Castles have played an important military, economic and social role in Great Britain and Ireland since their introduction following the Norman invasion of England in 1066. Although a small number of castles had been built in England in the 105 ...
Notes
External links
* {{commons category-inline, Morgraig Castle
The Gatehouse Gazetteer: A bibliography of sources relating to Morgraig Castle
Castles in Caerphilly County Borough
Unfinished castles
Caerphilly
Castle ruins in Wales
Scheduled monuments in Caerphilly
Grade II listed buildings in Caerphilly County Borough
Grade II listed castles in Wales