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Cof Cymru: National Historic Assets of Wales · Wales

Castle Mound

St. Ishmael's, Pembrokeshire, Wales

The record

Designation
Scheduled monument
Site type
Motte
Period
Medieval
Date of designation
8 June 1950
Community
St. Ishmael's
Unitary authority
Pembrokeshire
Country
Wales
Coordinates (centre of the scheduled area)
51.72538, -5.13616
SAM number
PE196
Cadw record number
345

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1636 "Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ..." (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 measures c10.5m in diameter across the top and 32m in diameter across the base and is c5m high. It is surrounded by a ditch c6m broad. The east side of the mound is somewhat hollowed away. There are traces possible traces of a dam to the east, which could have ponded back an area of c.160m N-S by 100m. A bailey enclosure may have lain to the south, between the motte and a mere.

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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