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Cof Cymru: National Historic Assets of Wales · Wales

Standing Stone on Mynydd Illtud

Glyn Tarell, Powys, Wales

A scheduled monument in Glyn Tarell, Powys, recorded as Standing Stone (Prehistoric).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Standing Stone on Mynydd Illtud, Glyn Tarell, 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
Standing Stone
Period
Prehistoric
Date of designation
30 October 1996
Community
Glyn Tarell
Unitary authority
Powys
Country
Wales
Coordinates (centre of the scheduled area)
51.92765, -3.49062
SAM number
BR228
Cadw record number
3459

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 1636 map "Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ..." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1636 · Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ... (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)
  • 1856 · 42. Brecon. (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 213 Brecon (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 standing stone, which probably dates to the Bronze Age (c. 2300 - 800 BC). The stone stands 1m high and is square in section and is made of local red sandstone. It has been worn by sheep rubbing and there is an erosion hollow around the base. An outlying boulder on one side may be an associated feature. The stones are situated on flattish ground in unimproved moorland.

The monument is of national importance for its potential to enhance our knowledge of prehistoric burial and ritual practices. It is an important relic of a prehistoric funerary and ritual landscape and retains significant archaeological potential. There is a strong probability of the presence of intact burial or ritual deposits, together with environmental and structural evidence. Standing stones are often part of a larger cluster of monuments and their importance can further enhanced by their group value.

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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