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Cof Cymru: National Historic Assets of Wales · Wales

Pen-y-Cloddiau Camp

Ysceifiog, Denbighshire, Wales

A scheduled monument in Ysceifiog, Denbighshire, recorded as Hillfort (Prehistoric).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Pen-y-Cloddiau Camp, Ysceifiog, Denbighshire, 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
Community
Ysceifiog
Unitary authority
Denbighshire
Country
Wales
Coordinates (centre of the scheduled area)
53.19833, -3.30559
SAM number
FL009
Cadw record number
3083

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)
  • 1898 · 108 Flint (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 108 Flint (Outline) (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 Ancient Monument.

Penycloddiau Hillfort comprises the remains of a hillfort. Such monuments probably date to the Iron Age period (c. 800 BC - AD 74), although several are known to date from the Late Bronze Age with activity through to the early post-Roman period. Penycloddiau is one of the largest prehistoric monuments in the U.K, covering approximately 21ha, and situated on a prominent mountain ridge above the Vale of Clwyd. It is a contour, multi-vallate hillfort, with varying numbers of ramparts depending upon the topography. The ramparts consist of outer banks and inner ditches, and would originally been topped with a wooden palisade. There are three ramparts in the east, north-east, and north, with two in the north-west, and one in the south-west, south and south-east. Two entrances are located on the eastern side. The interior of the hillfort contains a number of building platforms, originally occupied by roundhouses. Excavations by Liverpool University between 2012 and 2018 have revealed further information regarding the construction of the ramparts and roundhouses.

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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