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Cof Cymru: National Historic Assets of Wales · Wales

Graig-y-Gilfach round cairn and earthwork

Cwmbach, Rhondda Cynon Taff, Wales

A scheduled monument in Cwmbach, Rhondda Cynon Taff, recorded as Round Barrow (Prehistoric).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Graig-y-Gilfach round cairn and earthwork, Cwmbach, Rhondda Cynon Taff, 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
Round Barrow
Period
Prehistoric
Date of designation
5 October 1961
Community
Cwmbach
Unitary authority
Rhondda Cynon Taff
Country
Wales
Coordinates (centre of the scheduled area)
51.72090, -3.40601
SAM number
GM288
Cadw record number
621

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)
  • 1637 · The fourth table of England. Cornub. Devonia, Somerset etc. (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)
  • 1898 · 231 Merthyr Tydfil (Hills) (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 round burial cairn, probably dating to the Bronze Age (c.2300 BC - 800 BC). It is situated on the leading south-west-facing edge of the summit of Twyn Gwersyllfa. The grass-covered cairn is circular on plan and measures about 9.5m in diameter and up to 0.7m in height. A further monument is included within the schedule, situated 150m to the south-east this feature comprises a sub-circular shallow ditch and is of uncertain antiquity or function.

The monument is of national importance for its potential to enhance our knowledge of prehistoric burial and ritual. The well-preserved monument is an important relic of a prehistoric funerary and ritual landscape and retains significant archaeological potential, with a strong probability of the presence of both further burial or ritual deposits and environmental and structural evidence, including a buried prehistoric land surface.

The area to be scheduled 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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