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Cof Cymru: National Historic Assets of Wales · Wales

Bryn y Gadair round cairn

Carno, Powys, Wales

A scheduled monument in Carno, Powys, recorded as Round Cairn (Prehistoric).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Bryn y Gadair round cairn, Carno, Powys, 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 Cairn
Period
Prehistoric
Date of designation
18 December 2007
Community
Carno
Unitary authority
Powys
Country
Wales
Coordinates (centre of the scheduled area)
52.53487, -3.53080
SAM number
MG331
Cadw record number
4312

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 1637 map "Particular description of Wales. Cambria seu Wallia" (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1637 · Particular description of Wales. Cambria seu Wallia (David Rumsey Map Collection, Stanford Libraries)
  • 1795 · To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most… (Llyfrgell Genedlaethol Cymru – The National Library of Wales)
  • 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 Ancient Monument.

The monument comprises the remains of a small round cairn, probably dating to the Bronze Age (c.2300 BC - 800 BC) and situated on the SW end of the Bryn y Gadair ridge, on the SW side of Trannon Moor. The small burial cairn is circular on plan and measures about 6m in diameter and 0.4m in height. The cairn does not appear to have been disturbed in the past.

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, with a strong probability of the presence of both structural evidence and intact burial or ritual deposits. The importance of the monument is further enhanced by the topographical association of the burial cairn with the many other cairns that can be found within the surrounding area.

The area scheduled comprises the remains described and an area around them within which related evidence may be expected to survive. It is circular and measures 22m 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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