Ancient Monuments

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Plas yn Dinas

A Scheduled Monument in Llansantffraid (Llansanffraid), Powys

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Coordinates

Latitude: 52.7626 / 52°45'45"N

Longitude: -3.1599 / 3°9'35"W

OS Eastings: 321828

OS Northings: 318965

OS Grid: SJ218189

Mapcode National: GBR 6Z.Z0XM

Mapcode Global: WH793.FTJH

Entry Name: Plas yn Dinas

Scheduled Date:

Source: Cadw

Source ID: 1995

Cadw Legacy ID: MG078

Schedule Class: Monument

Category: Enclosure

Period: Medieval

County: Powys

Community: Llansantffraid (Llansanffraid)

Traditional County: Montgomeryshire

Description

The monument comprises the remains of an earthwork/stone-built enclosure. The date or precise nature of the enclosure is unknown, but it is likely to be medieval. The monument forms a rectangular enclosure, about 100m north-east to south-west by 70m, set on the summit of a natural hillock, above the flood plain of the Afon Vyrnwy: the north-west and north-east sides rest on steep slopes, the enclosure being defined elsewhere by a double bank with a medial ditch.

The monument is thought to have been the caput (centre) of the manor of Dynas, mentioned in the 14th century. 'Tooled stonework' has been noted within the enclosure.

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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