Ancient Monuments

History on the Ground

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Cnwc Round Cairns

A Scheduled Monument in Maenclochog, Pembrokeshire (Sir Benfro)

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Latitude: 51.9389 / 51°56'19"N

Longitude: -4.7849 / 4°47'5"W

OS Eastings: 208664

OS Northings: 230370

OS Grid: SN086303

Mapcode National: GBR CT.N3S8

Mapcode Global: VH2ND.0JSJ

Entry Name: Cnwc Round Cairns

Scheduled Date: 16 March 1960

Source: Cadw

Source ID: 1001

Cadw Legacy ID: PE343

Schedule Class: Religious, Ritual and Funerary

Category: Round cairn

Period: Prehistoric

County: Pembrokeshire (Sir Benfro)

Community: Maenclochog

Traditional County: Pembrokeshire


The monument comprises the remains of two burial cairns that probably date to the Bronze Age (c.2300 – 800 BC). The northern cairn measures c 28m in diameter and is 1.8m high. The southern cairn which measures c 25m in diameter and is 0.2m high has signs of an external ditch.

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, including a buried prehistoric land surface. .

The area scheduled comprises the remains described and an area around them within which related evidence may be expected to survive.

Source: Cadw

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