Ancient Monuments

History on the Ground

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Pen Cerrig-calch, cairn on north west side of

A Scheduled Monument in Llanfihangel Cwmdu with Bwlch and Cathedine (Llanfihangel Cwm Du gyda Bwlch a Chathedin), Powys

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Latitude: 51.8948 / 51°53'41"N

Longitude: -3.14 / 3°8'23"W

OS Eastings: 321651

OS Northings: 222416

OS Grid: SO216224

Mapcode National: GBR F0.QXCS

Mapcode Global: VH6C9.JMCT

Entry Name: Pen Cerrig-calch, cairn on NW side of

Scheduled Date: 3 February 2006

Source: Cadw

Source ID: 4181

Cadw Legacy ID: BR304

Schedule Class: Religious, Ritual and Funerary

Category: Round cairn

Period: Prehistoric

County: Powys

Community: Llanfihangel Cwmdu with Bwlch and Cathedine (Llanfihangel Cwm Du gyda Bwlch a Chathedin)

Traditional County: Brecknockshire


The monument comprises the remains of a burial cairn, probably dating to the Bronze Age (c.2300 BC - 800 BC) and situated in open moorland on the NW side of the summit of Pen Cerrig-calch. The stone-built cairn is roughly circular on plan and measures about 15m in diameter and 1m in height. A large shelter has been constructed within its summit. The cairn was possibly originally a platform cairn - the cairn material upcast as the result of the construction of the shelter provides the impression of 'bulk', while elements of a level platform are occasionally visible around the cairn edges. The presence of two further platform cairns on the ridge, at Pen Allt-mawr (BR305) and Pen Gloch-y-pibwr (BR307), supports this interpretation.

The monument is of national importance for its potential to enhance our knowledge of prehistoric burial and ritual practices. The well-preserved monument is an important relic of a prehistoric funerary and ritual landscape and retains significant archaeological potential, with a strong probability of the presence of both intact burial or ritual deposits and environmental and structural evidence. The likelihood that the cairn is an example of a more unusual structural class of cairn, the platform cairn, further increases its importance.

The scheduled area comprises the remains described and an area around them within which related evidence may be expected to survive. It is circular and measures 22m in diameter.

Source: Cadw

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