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Cof Cymru: National Historic Assets of Wales · Wales

Dinas SW of Aber-Peithnant

Blaenrheidol, Ceredigion, Wales

A scheduled monument in Blaenrheidol, Ceredigion, recorded as Hillfort (Prehistoric).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Dinas SW of Aber-Peithnant, Blaenrheidol, Ceredigion, 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
Hillfort
Period
Prehistoric
Date of designation
1 January 1948
Community
Blaenrheidol
Unitary authority
Ceredigion
Country
Wales
Coordinates (centre of the scheduled area)
52.43356, -3.85096
SAM number
CD055
Cadw record number
1854

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 1608 map "(13) Cambriae Typus." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1608 · (13) Cambriae Typus. (David Rumsey Map Collection, Stanford Libraries)
  • 1830 · V.3:11-15:XV. Britisches Reich. A. Kon: England. b. Frstenthum Wales: Shire: 37-40 (David Rumsey Map Collection, Stanford Libraries)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 163 Aberystwyth (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 14. (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 hillfort, which probably dates to the Iron Age period (c. 800 BC - AD 74, the Roman conquest of Wales). Hillforts are usually Iocated on hilltops and surrounded by a single or multiple earthworks of massive proportions. Hillforts must have formed symbols of power within the landscape, while their function may have had as much to do with ostentation and display as defence. The monument consists of an oval enclosure on top of an isolated hill reaching 386m above sea level. The elongated oval is determined by the ground which falls precipitously with sheer rock outcrops along the longer sides. The enclosure appears to be stone built with material from an inner spoil ditch which can be traced irregularly on all sides. There is no apparent outer ditch. The entrance, a simple gap, is on the north side.

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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