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Cof Cymru: National Historic Assets of Wales · Wales

Blackwood Enclosure

Berriew, Powys, Wales

A scheduled monument in Berriew, Powys, recorded as Enclosure (Prehistoric).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Blackwood Enclosure, Berriew, Powys, 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
Enclosure
Period
Prehistoric
Date of designation
1 March 1996
Community
Berriew
Unitary authority
Powys
Country
Wales
Coordinates (centre of the scheduled area)
52.58162, -3.24029
SAM number
MG239
Cadw record number
1465

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 1795 map "To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most humbly inscribed by his obedient humble servant" (Llyfrgell Genedlaethol Cymru – The National Library of Wales).

Historical maps covering this location

  • 1795 · To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most… (Llyfrgell Genedlaethol Cymru – The National Library of Wales)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 151 Welshpool (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)
  • 1916 · Sheet 60. Shrewsbury. (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 an earthwork/stone-built enclosure. The date or precise nature of the enclosure is unknown, but it is likely to be later prehistoric or medieval. Blackwood Enclosure is an oval, bivallate hilltop enclosure, visible as earthworks and as a parchmark. The inner enclosure is visible for most of its circuit, being incorporated into a fieldbank on the south and visible as a low earthwork on the north. This becomes a substantial bank with 2m external height, 30cm internal on the south west, where woodland has prevented cultivation on the south west. The outer bank is some 1.8m high and there is apparently a third bank here, which, however is not apparent elsewhere. The main outer bank is visible as a low earthwork on the north and west, but is apparent only as a parchwork on east and south. Aerial photographs suggest an impressive internal entrance on the east.

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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