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Cof Cymru: National Historic Assets of Wales · Wales

Pillow Mounds at Pant Mawr

Ystradfellte, Powys, Wales

A scheduled monument in Ystradfellte, Powys, recorded as Pillow Mound (Post Medieval/Modern).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Pillow Mounds at Pant Mawr, Ystradfellte, 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
Pillow Mound
Period
Post Medieval/Modern
Community
Ystradfellte
Unitary authority
Powys
Country
Wales
Coordinates (centre of the scheduled area)
51.80823, -3.61706
SAM number
BR173
Cadw record number
1795

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)
  • 1856 · 42. Brecon. (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 231 Merthyr Tydfil (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 231 Merthyr Tydfil (Outline) (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 monument.

The monument consists of the remains of a series of pillow mounds, pillow-shaped, flat topped rectangular mounds often surrounded by a shallow ditch used to farm rabbits. The site consists of at least 80 pillow mounds located within a walled enclosure. The pillow mounds are between 20m and 140m long, around 4m wide and up to 1.2m high and surrounded by ditches averaging 1.5m wide and 0.3m deep. A series of dry stone lined pits are also located on the site, possibly for use as rabbit traps, while a series of quadrilateral dry stone walled enclosures, measuring 18m long by 12m wide and containing pits may represent rabbit breeding pens.

The monument is of national importance for its potential to enhance our knowledge of agricultural techniques. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits.

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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