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Cof Cymru: National Historic Assets of Wales · Wales

Mynydd Myddfai, ring cairns on W end of

Myddfai, Carmarthenshire, Wales

A scheduled monument in Myddfai, Carmarthenshire, recorded as Ring Cairn (Prehistoric).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Ring Cairn, Myddfai, Carmarthenshire, 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
Ring Cairn
Period
Prehistoric
Date of designation
21 September 2004
Community
Myddfai
Unitary authority
Carmarthenshire
Country
Wales
Coordinates (centre of the scheduled area)
51.94552, -3.75495
SAM number
CM349
Cadw record number
4158

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)
  • 1830 · V.3:11-15:XV. Britisches Reich. A. Kon: England. b. Frstenthum Wales: Shire: 37-40 (David Rumsey Map Collection, Stanford Libraries)
  • 1891 · Sheet 10. Ordnance Survey of England and Wales. . (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 14. (David Rumsey Map Collection, Stanford Libraries)
  • 1963 · Map No. 18 - Local Government Commission for Wales : [Definitive maps showing proposed… (National Library of Scotland)

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This record in Cadw's own full report ↗

Cadw's description

The following provides a general description of the Scheduled Monument.

The monument comprises the remains of two ring cairns, probably dating to the Bronze Age (c.2300 BC - 800 BC) and situated close together within open moorland on the Mynydd Myddfai ridge. The stone built cairns are circular on plan and are situated about 25m apart, the northernmost being situated downslope of the southernmost. That to the NNW (Mynydd Myddfai West ring cairn A) measures about 5m in diameter within a stony ring bank about 2m in thickness and up to 0.2m in height. Well-defined edges to the ring bank are visible - and it has an uneven, stone filled interior. That to the SSE (Mynydd Myddfai West ring cairn B) measures about 5m in diameter within a stony ring bank about 1.5m in thickness and up to 0.2m in height. The cairns form a pair very similar to those excavated on Cefn Bryn on the Gower Peninsular (Ward, 1988), the ring cairns forming each pair being similar in size, structure and setting (including topographical relation to each other).

The monument is of national importance for its potential to enhance our knowledge of prehistoric burial and ritual practices. The monument is an important relic of a prehistoric funerary and ritual landscape and retains significant archaeological potential. Its importance is further enhanced by the group value formed by its spatial association with similar Bronze Age monuments on the Mynydd Myddfai ridge, including the larger Mynydd Myddfai ring cairn (CM346) and the Mynydd Bach-Trecastell Stone Circles (BR069), both situated further to the NE along the ridge.

The area scheduled comprise the remains described and an area around them within which related evidence may be expected to survive. It is rectangular and measures 60m from NNW to SSE by 30m transversely.

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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