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Cof Cymru: National Historic Assets of Wales · Wales

Mynydd Carn-Goch Roman Earthworks

Llwchwr, Swansea, Wales

A scheduled monument in Llwchwr, Swansea, recorded as Practice Camp (Roman).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Mynydd Carn-Goch Roman Earthworks, Llwchwr, 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
Practice Camp
Period
Roman
Date of designation
18 September 1959
Community
Llwchwr
Unitary authority
Swansea
Country
Wales
Coordinates (centre of the scheduled area)
51.65618, -4.01352
SAM number
GM269
Cadw record number
3576

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)
  • 1637 · The fourth table of England. Cornub. Devonia, Somerset etc. (David Rumsey Map Collection, Stanford Libraries)
  • 1891 · Sheet 10. Ordnance Survey of England and Wales. . (David Rumsey Map Collection, Stanford Libraries)
  • 1897 · 247 Swansea (Hills) (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 of two Roman practice camps. Dating to the Roman period (AD 74-410), the camps were constructed as part of a military training exercise by auxillary soldiers, who paid particular attention to the corners and entrances, which were the most difficult elements to build. The camp is roughly square in shape on plan with rounded corners aligned to the cardinal points of the compass.

Camp A - rectangular earthwork measuring c. 22m square with rounded corners and entrance gaps on all four sides (centrally placed). Slight ditch on the outside, bank measuring c. 0.45m high above the outside and c. 0.30m above the interior. (Telegraph pole on northern bank).

Camp B - situated 65m to the east of Camp A. Rectangular earthwork 27m square, rounded corners and no apparent entrances. The bank is c. 4.5m wide by 0.60m high above the outside and 0.30m above the interior.

The monument is of national importance for its potential to enhance our knowledge of Roman military organisation. The monument forms an important element within the wider context of the Roman occupation of Wales and the structure itself may be expected to contain archaeological information concerning chronology and building techniques, together with a strong probability of environmental evidence.

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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