Ancient Monuments

History on the Ground

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Carn Caglau cairn

A Scheduled Monument in Glyncorrwg, Neath Port Talbot (Castell-nedd Port Talbot)

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Latitude: 51.691 / 51°41'27"N

Longitude: -3.6497 / 3°38'58"W

OS Eastings: 286065

OS Northings: 200431

OS Grid: SN860004

Mapcode National: GBR H9.4NPB

Mapcode Global: VH5GJ.PRDJ

Entry Name: Carn Caglau cairn

Scheduled Date: 7 January 2004

Source: Cadw

Source ID: 4045

Cadw Legacy ID: GM577

Schedule Class: Religious, Ritual and Funerary

Category: Round cairn

Period: Prehistoric

County: Neath Port Talbot (Castell-nedd Port Talbot)

Community: Glyncorrwg

Traditional County: Glamorgan


The monument comprises the remains of a burial cairn, probably dating to the Bronze Age (c.2300 BC - 800 BC) and is situated within an open forest ride, on the summit of Mynydd Blaen-nant-du. The grass and heather-covered stone-built cairn is circular on plan and measures about 10m in diameter and up to 0.9m in height.

The monument is of national importance for its potential to enhance our knowledge of prehistoric burial and ritual. The 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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