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Cof Cymru: National Historic Assets of Wales · Wales

Castlemartin Castle

Castlemartin, Pembrokeshire, Wales

The record

Designation
Scheduled monument
Site type
Enclosure
Period
Prehistoric
Community
Castlemartin
Unitary authority
Pembrokeshire
Country
Wales
Coordinates (centre of the scheduled area)
51.64576, -5.01482
SAM number
PE166
Cadw record number
2041

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 medieval ringwork, a defensive enclosure with surrounding outer bailey. The ringwork itself originally measured about 80m in diameter - and the outer bailey about 140m in diameter. Buildings and garden enclosures have encroached upon the outer terrace on the SW and NE sides, but the remaining elements of the site are both well-preserved and well-managed.

The monument is of national importance for its potential to enhance our knowledge of medieval defensive organisation. The monument forms an important element within the wider medieval context and the structure itself may be expected to contain archaeological information in regard to chronology, building techniques and functional detail.

The area scheduled comprises the remains described and an area around them within which related evidence may be expected to survive. It is irregular and measures up to 150m from NW to SE by up to 120m transversely.

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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