Caerau Hillfort

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Embankment of the Caerau Hillfort
Caurau Hillfort, on the south-western edge of Cardiff.
The Neolithic enclosure features are shown in red, crossing the ridge within the later Iron Age hill fort whose ramparts are shown in grey. The medieval Church and ringwork at the eastern end of the hill are shown as blue features.[1]

Caerau Hillfort (Welsh: Bryngaer Caerau) is a large triangular multivallate Iron Age hillfort, built on a previously occupied Neolithic site, occupying the western tip of an extensive ridge-top plateau in the western suburbs of Caerau and Ely, Cardiff, Wales. It is the largest Iron Age site of its type in south Wales and also one of the largest in Great Britain;[2] the old parish church, St Mary's, and a small ringwork, almost certainly a medieval castle site probably contemporary with the church, stand within the hillfort on the north-eastern side.

The hillfort[edit]

Caerau Hillfort is the third largest Iron Age hillfort in Glamorgan,[3] enclosing 5.1 hectares (13 acres), and is surrounded by housing and the A4232. It was once a stronghold of the powerful Silures tribe who inhabited this part of Wales before the arrival of the Romans.

Although excavations during Channel 4's Time Team series in April 2012 showed the hillfort's occupation began about 2550 years before present (BP), further excavations in 2013–2014 revealed evidence of the site's occupation back to the early Neolithic.[4][5] Finds included flint tools and weapons dating to 5550 BP.[5] Iron Age and Romano-British pottery as well as a single fragment of a mortarium (1st century AD Roman pouring vessel) have been found from an area north-west of the southern entrance.[6]

The steep north and south slopes of the ridge are both fortified by three massive ramparts with accompanying ditches, although these are hidden beneath trees and scrub. On the east side the hillfort defences appear to have been reduced to two ramparts in the north and one in south. There seem to have been two entrances to the hillfort, one in the middle of the east side and one west of the south corner. At the east entrance the ramparts curve round to command the approach, but there is no corresponding in turn at the south entrance. An apex in the north-west of the hillfort may be a third entrance, but it has been heavily eroded by water flowing from a spring.

The interior, now pasture, was cultivated in the past, and the characteristic traces of rig and furrow agriculture can be seen on aerial photographs, it is traversed by two earthworks which may be old field boundaries, or even the remains of a smaller, earlier hillfort or even a Neolithic causewayed enclosure.

St Mary's church[edit]

St Mary's church
The church before it was deconsecrated in 1971
The church in ruins in 2011

St Mary's church probably dates to the 13th century, and is set within an oval churchyard. Today, it is ruinous and consists of stone walls, mostly stone rubble, nave with south porch and north vestry, chancel and a tower. St Mary's was restored c. 1885 by John Prichard, the Llandaff diocesan architect, who rebuilt the chancel, while the vestry was added in c. 1920. The church was closed in 1957 and allowed to fall into ruin, but was again restored in 1961 by Father Victor Jones. However, after Father Jones left the diocese, the church was again allowed to fall into disrepair.[7]

The ringwork[edit]

To the north-east of St Mary’s church is an oval medieval ringwork measuring 35 m by 20 m; the oval enclosure is defined by a rampart and ditch with an entrance facing southwest towards St Mary's church. It is possible that it is an unrecorded castle belonging to the Bishops of Llandaff, probably contemporary with the church.

See also[edit]


  1. ^ Oliver Davis and Niall Sharples (2017). "Early Neolithic Enclosures in Wales". The Antiquaries Journal; the Society of Antiquaries of London. 97: 5. ISSN 0003-5815.
  2. ^ "Caerau Hillfort". Channel 4. Retrieved 26 January 2014.
  3. ^ RCAHMW, 1976. An Inventory of the Ancient Monuments in Glamorgan Vol I: Pre-Norman Part II: The Iron Age and Roman Occupation. Cardiff: HMSO.
  4. ^ "Caerau Hillfort; Caerau Camp; Caerau Ely". The Royal Commission on the Ancient and Historical Monuments of Wales website. Royal Commission on the Ancient and Historical Monuments of Wales. 2015. Retrieved 22 June 2015.
  5. ^ a b "Digging the 'Diff". Cardiff University website. Cardiff University. 22 June 2015. Retrieved 22 June 2015.
  6. ^ Jarvis, P.H. 1965. Glamorganshire no 33. Archaeology in Wales 5, 17.
  7. ^ Jay, D. and Lewis, R. 2008. St Mary The Virgin Church, and hillfort at Caerau: a history 1260–2008. Cardiff: DAJAY Publications.

External links[edit]

Coordinates: 51°28′02″N 3°14′54″W / 51.4672°N 3.2483°W / 51.4672; -3.2483