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Latitude: 51.975 / 51°58'30"N
Longitude: -4.8367 / 4°50'12"W
OS Eastings: 205257
OS Northings: 234528
OS Grid: SN052345
Mapcode National: GBR CR.KNYF
Mapcode Global: VH2N5.3MV9
Entry Name: Tre-Gynon Camp
Scheduled Date: 20 March 1957
Source ID: 2056
Cadw Legacy ID: PE308
Schedule Class: Defence
Category: Promontory Fort - inland
County: Pembrokeshire (Sir Benfro)
Community: Cwm Gwaun
Traditional County: Pembrokeshire
The monument comprises the remains of a defended enclosure, which probably dates to the Iron Age period (c. 800 BC - AD 74, the Roman conquest of Wales). Inland promontory forts are usually located on a ridge or spur with steep slopes on 2 or 3 sides, and artificial ramparts on the level approaches. Alternatively they may have been constructed on a promontory above the confluence of two rivers, or in the bend of a meander. Tre-Gynon Camp consists of a semi-circular length of bank & ditch. The interior has been reduced by erosion on the east caused by a stream.
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.
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