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Cof Cymru: National Historic Assets of Wales · Wales

Foel Dduarth Enclosure

Aber, Gwynedd, Wales

A scheduled monument in Aber, Gwynedd, recorded as Enclosure (Prehistoric).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Foel Dduarth Enclosure, Aber, Gwynedd, 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
2 July 1957
Community
Aber
Unitary authority
Gwynedd
Country
Wales
Coordinates (centre of the scheduled area)
53.22630, -3.97871
SAM number
CN122
Cadw record number
3477

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 1883 map "Watershed map England, Wales 3." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1896 · Sheet 7. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 106 Bangor (Outline) (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 106 Bangor (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (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 Monument.

Large circular enclosure, enclosed with the remains of a substantial boulder built wall. A more recent sub rectangular sheepfold sits within with two sides touching the enclosure wall. Traces of a circular structure can be seen in the E corner of the enclosure, and the remains of a rectangular structure survive in the N corner of the sheepfold. The entrance is very ruined but still visible, with at least one jamb standing. Although the enclosure wall is much ruined, many facing stones remain in situ, particularly on the N and W sides.

The monument is of national importance for its potential to enhance our knowledge of prehistoric settlement. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits. The structures themselves may be expected to contain archaeological information concerning chronology and building techniques.

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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