Ancient Monuments

History on the Ground

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Caer Gwanaf

A Scheduled Monument in Pont-y-clun, Rhondda, Cynon, Taff (Rhondda Cynon Taf)

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Latitude: 51.5111 / 51°30'40"N

Longitude: -3.3737 / 3°22'25"W

OS Eastings: 304768

OS Northings: 180027

OS Grid: ST047800

Mapcode National: GBR HP.J03F

Mapcode Global: VH6F3.G8TX

Entry Name: Caer Gwanaf

Scheduled Date:

Source: Cadw

Source ID: 634

Cadw Legacy ID: GM070

Schedule Class: Monument

Category: Enclosure

Period: Prehistoric

County: Rhondda, Cynon, Taff (Rhondda Cynon Taf)

Community: Pont-y-clun

Traditional County: Glamorgan


The monument comprises the remains of two earthwork enclosures. The date or precise nature of the enclosures is unknown, but it is likely to be later prehistoric. The enclosures lie to the east of Caer Gwanaf Farm. The larger one consists of a flat, roughly circular area surrounded by a ditch. The ditch is flat bottomed, 1m wide and 1m deep, with steep sides. Outside the ditch there is a counterscarp bank, 4m wide and 0.4m high. There is a slight bank inside the ditch, 0.3m high. The enclosure is c. 56m in diameter and across the middle, running in an east-west direction is a low straight bank, 2.5m wide by c. 0.10m high.

In the adjoining field, to the south-east, is a similar, smaller enclosure. The ditch is slightly wider, with an interior height of 1.8m. Outside the ditch is a similar couterscarp bank. In the middle is a depression, 3m in diameter and 1m deep.

The monument is of national importance for its potential to enhance our knowledge of later prehistoric defensive organisation and settlement. The site forms an important element within the wider later prehistoric context and within the surrounding landscape. The site is well preserved and retains considerable archaeological potential. There is a strong probability of the presence of evidence relating to chronology, building techniques and functional detail.

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

Source: Cadw

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