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Cof Cymru: National Historic Assets of Wales · Wales

Cairn 250m SW of Banc Llyn-Mawr

Mawr, Swansea, Wales

A scheduled monument in Mawr, Swansea, recorded as Round Cairn (Prehistoric).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Cairn 250m SW of Banc Llyn-Mawr, Swansea, 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
Mawr
Unitary authority
Swansea
Country
Wales
Coordinates (centre of the scheduled area)
51.74504, -3.99143
SAM number
GM384
Cadw record number
3585

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)
  • 1891 · Sheet 10. Ordnance Survey of England and Wales. . (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 230 Ammanford (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 230 Ammanford (Outline) (David Rumsey Map Collection, Stanford Libraries)
  • 1920 · Sheet 100. Llanelly. (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 a burial cairn, probably dating to the Bronze Age (c. 2300 - 800 BC). The stone cairn is located on moorland and measures approximately 14m in diameter with a slightly raised stony rim 1.2-1.8m wide. It has been robbed in antiquity.

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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