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Cof Cymru: National Historic Assets of Wales · Wales

Maes Dyfnant Round Cairn

Llanwddyn, Powys, Wales

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

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Maes Dyfnant Round Cairn, Llanwddyn, 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
Community
Llanwddyn
Unitary authority
Powys
Country
Wales
Coordinates (centre of the scheduled area)
52.73521, -3.46055
SAM number
MG133
Cadw record number
2008

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)
  • 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 · 150 Dinas-Mawddwy (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (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 a burial cairn, probably dating to the Bronze Age (c. 2300 - 800 BC). The monument takes the form of a circular stone cairn 22m diameter and up to 2.0m high. The centre has been hollowed out. There are traces of a stone kerb on the SE side. It is situated alongside River Vyrnwy.

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 intact burial or ritual deposits, together with environmental and structural evidence. Cairns may be part of a larger cluster of monuments and their importance can further enhanced by their group value.

The scheduled area 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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