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Cof Cymru: National Historic Assets of Wales · Wales

Half Moon Camp

Margam, Neath Port Talbot, Wales

The record

Designation
Scheduled monument
Site type
Enclosure
Period
Prehistoric
Date of designation
8 December 1994
Community
Margam
Unitary authority
Neath Port Talbot
Country
Wales
Coordinates (centre of the scheduled area)
51.56664, -3.73322
SAM number
GM477
Cadw record number
2298

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 consists of the remains of an earthwork enclosure probable dating to the Iron Age (c. 800BC - AD74). It is situated at 150m above OD on the southern edge of a spur overlooking Margam Abbey. Oval on plan, the single rampart encloses an area approximately 0.2 of a hectare. The rampart is and is enclosed by a single is best preserved on the north-east, where it is about 9m wide and 1m high. On the south, this has been reduced to a scarp set above a steep natural slope, and the line of defences on this side may have been obscured by slippage. On the west the rampart survives on a similar scale to the north-east section. On the north, the defences are crossed and largely obscured by a modern wall and field bank.

The monument is of national importance for its potential to enhance our knowledge of later prehistoric defensive organisation and settlement. The site forms an important element within the wider later prehistoric context and within the surrounding landscape. The site is well preserved and retains considerable archaeological potential. There is a strong probability of the presence of evidence relating to chronology, building techniques and functional detail.

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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