Ancient Monuments

History on the Ground

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Tan y Clawdd Camp

A Scheduled Monument in Welshpool (Y Trallwng), Powys

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Latitude: 52.6627 / 52°39'45"N

Longitude: -3.2001 / 3°12'0"W

OS Eastings: 318930

OS Northings: 307893

OS Grid: SJ189078

Mapcode National: GBR 9Y.56SW

Mapcode Global: WH79N.TBBK

Entry Name: Tan y Clawdd Camp

Scheduled Date:

Source: Cadw

Source ID: 158

Cadw Legacy ID: MG131

Schedule Class: Defence

Category: Hillfort

Period: Prehistoric

County: Powys

Community: Welshpool (Y Trallwng)

Traditional County: Montgomeryshire


The monument comprises the remains of an enclosure, which probably dates to the later prehistoric period. This defended enclosure is situated on the summit of a pronounced knoll in the centre of the Sylfaen valley. The ground falls most steeply to the south-east and south; slopes on other aspects are much more gentle.

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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