Ancient Monuments

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Enclosure west of Allt yr Esgair

A Scheduled Monument in Talybont-on-Usk (Tal-y-bont ar Wysg), Powys

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Latitude: 51.9095 / 51°54'34"N

Longitude: -3.2762 / 3°16'34"W

OS Eastings: 312306

OS Northings: 224207

OS Grid: SO123242

Mapcode National: GBR YT.PZZ8

Mapcode Global: VH6C7.58CJ

Entry Name: Enclosure W of Allt yr Esgair

Scheduled Date: 12 April 1991

Source: Cadw

Source ID: 1807

Cadw Legacy ID: BR197

Schedule Class: Monument

Category: Enclosure

Period: Prehistoric

County: Powys

Community: Talybont-on-Usk (Tal-y-bont ar Wysg)

Traditional County: Brecknockshire


The monument comprises the remains of an earthwork enclosure. It is a univalliate enclosure measuring 44m NW/SE by 25.5m with a single entrance at the NW. It occupies a hillslope position, on a flattened shelf in the slope, which faces SW. Both western and eastern banks appear more pronounced on their western sides, reflecting the slope on which they stand. The date or precise nature of the enclosure is unknown, but it is likely to be later prehistoric or medieval. The site is a good example of a hillslope enclosure and is of additional interest because of the possible relationship with the fort on Allt yr Esgair.

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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