Ancient Monuments

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Roman Supply Depot, Llansantffraid ym Mechain

A Scheduled Monument in Llansantffraid (Llansanffraid), Powys

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Latitude: 52.7778 / 52°46'39"N

Longitude: -3.1456 / 3°8'44"W

OS Eastings: 322820

OS Northings: 320635

OS Grid: SJ228206

Mapcode National: GBR 6Z.Y4DD

Mapcode Global: WH793.NF9V

Entry Name: Roman Supply Depot, Llansantffraid ym Mechain

Scheduled Date: 10 October 1989

Source: Cadw

Source ID: 159

Cadw Legacy ID: MG216

Schedule Class: Monument

Category: Enclosure

Period: Roman

County: Powys

Community: Llansantffraid (Llansanffraid)

Built-Up Area: Llansanffraid-ym-Mechain

Traditional County: Montgomeryshire


The monument comprises a roughly oval embanked enclosure, approximately 80m north-west to south-east by at least 100m, set on ground falling to the south-east. Trenching in 1987-8, and resistivity survey, showed that the enclosure was defined by two ditches. Although it is suggested that the site may be a Roman Supply Depot, no Roman material was recovered during the excavations, and it is possible that this is a later prehistoric settlement enclosure.

The monument is of national importance for its potential to enhance our knowledge of later prehistoric and/or Roman settlement and defensive/military organisation. The site forms an important element within the wider later prehistoric/Roman 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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