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Cof Cymru: National Historic Assets of Wales · Wales

Gwern-y-Domen Castle Mound

Van, Caerphilly, Wales

A scheduled monument in Van, Caerphilly, recorded as Motte (Medieval).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Gwern-y-Domen Castle Mound, Van, Caerphilly, 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
Motte
Period
Medieval
Date of designation
20 April 1953
Community
Van
Unitary authority
Caerphilly
Country
Wales
Coordinates (centre of the scheduled area)
51.58365, -3.19224
SAM number
GM218
Cadw record number
3109

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)
  • 1865 · England and Wales. England No. 6. (David Rumsey Map Collection, Stanford Libraries)
  • 1895 · Sheet 11. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
  • 1906 · 249 Newport (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1913 · Sheet 102. Newport. (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 motte and ditch, dating to the medieval period (c. 1066 -1540 AD). A motte is a large conical or pyramidal mound of soil and/or stone, usually surrounded by either a wet or dry ditch, and surmounted by a tower constructed of timber or stone.

The motte stands in a marshy field, butting onto a disused railway line on its south-west side. It is a large steep sided mound, 30m in diameter, c. 5m high. The top is flat, 20m in diameter, with a lip up to 2m high on the south side, 1m high on the north side. On the east side at the foot of the mound is a flat berm, c.4m wide, with a drop of c. 0.5m to the marshy field. This continues round to the north, where it is more bank like, until it is cut off by a field ditch.

The monument is of national importance for its potential to enhance our knowledge of medieval defensive practices. The monument is well-preserved and an important relic of the medieval landscape. It retains significant archaeological potential, with a strong probability of the presence of both structural evidence and intact associated deposits.

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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