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Cof Cymru: National Historic Assets of Wales · Wales

Gelli Hill Round Barrow

Glascwm, Powys, Wales

A scheduled monument in Glascwm, Powys, recorded as Round Barrow (Prehistoric).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Gelli Hill Round Barrow, Glascwm, 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
Round Barrow
Period
Prehistoric
Community
Glascwm
Unitary authority
Powys
Country
Wales
Coordinates (centre of the scheduled area)
52.21542, -3.32028
SAM number
RD034
Cadw record number
743

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)
  • 1637 · Particular description of Wales. Cambria seu Wallia (David Rumsey Map Collection, Stanford Libraries)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 197 Hay (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 round barrow built of earth and stones, which probably dates to the Bronze Age (c. 2300 - 800 BC). The barrow is circular in shape on plan and has a rounded profile. It is situated on the summit of Gelli Hill, and measures c.22m in diameter and c.2.5m high. It has been disturbed by the construction of an OS pillar, which is off-centre to the north-west, and by the digging of two small adjoining circular hollows on the south-west side, the western one of which may be the site of an old antiquarian excavation, since it appears to adjoin traces of a trench c.3m long and c.1.2m wide, running slightly east of north from it.

The monument is of national importance for its potential to enhance our knowledge of prehistoric burial and ritual practices. The features are an important relic of a prehistoric funerary and ritual landscape and retain significant archaeological potential. There is a strong probability of the presence of both intact ritual and burial deposits, together with environmental and structural evidence. Barrows may be 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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