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Cof Cymru: National Historic Assets of Wales · Wales

Hengwm Ring Cairns

Blaenrheidol, Ceredigion, Wales

A scheduled monument in Blaenrheidol, Ceredigion, recorded as Ring Cairn (Prehistoric).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Hengwm Ring Cairns, Blaenrheidol, Ceredigion, 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
12 March 2009
Community
Blaenrheidol
Unitary authority
Ceredigion
Country
Wales
Coordinates (centre of the scheduled area)
52.50440, -3.73485
SAM number
CD278
Cadw record number
1308

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 1608 map "(13) Cambriae Typus." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1608 · (13) Cambriae Typus. (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)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 164 Llanidloes (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 14. (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 Monument.

The monument comprises the remains of a cairn located in open moorland pasture, which probably dates to the Bronze Age (c. 2300 - 800 BC). The ring cairn (Item 'A') is located on a terrace on a moderate NW-facing slope overlooking the Afon Hengwm. The unbroken bank of earth and stone is circular in shape on plan. The bank measures 1.5m in width and 0.4m in height, with an overall diameter of 6m. A small stone-built round cairn (Item 'B') overlies the NW section of the ring cairn. It is circular in shape on plan and measures 2m in diameter and 0.75m in height. A probable cist is visible under the SW part of the round cairn.

The monument is of national importance for its potential to enhance our knowledge of prehistoric burial and ritual practices. The feature is an important relic of a prehistoric funerary and ritual landscape and retains significant archaeological potential. There is a strong probability of the presence of both intact ritual and burial deposits, together with environmental and structural evidence. The importance of the monument is further enhanced by the cairns' group value with other scheduled prehistoric funerary and ritual monuments in the near vicinity.

The scheduled area comprises the remains described and an area around within which related evidence may be expected to survive. The scheduled area is circular in shape on plan and measures 20m in diameter.

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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