Ancient Monuments

History on the Ground

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Rhysnant Hall Castle Mound

A Scheduled Monument in Llandysilio, Powys

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Latitude: 52.7503 / 52°45'1"N

Longitude: -3.1037 / 3°6'13"W

OS Eastings: 325596

OS Northings: 317541

OS Grid: SJ255175

Mapcode National: GBR 71.ZW03

Mapcode Global: WH79B.948B

Entry Name: Rhysnant Hall Castle Mound

Scheduled Date:

Source: Cadw

Source ID: 2637

Cadw Legacy ID: MG142

Schedule Class: Defence

Category: Ringwork

Period: Medieval

County: Powys

Community: Llandysilio

Traditional County: Montgomeryshire


The monument comprises the remains of a well preserved castle-ringwork, which dates to the medieval period (c. AD 1066 - 1485). This is a large ringwork in a commanding position at the end of a spur. It is approximately 60m diameter and 6-7 high. The mound has a hollow centre, and is surrounded by a ditch up to 2m deep. The ditch disappears on steeply sloping SE side. There are slight traces of an outer bank in places.

The monument is of national importance for its potential to enhance our knowledge of medieval settlement, organisation and defence. The site forms an important element within the wider medieval landscape. It is well preserved and retains considerable archaeological potential. There is a strong probability of the presence of evidence relating to chronology, layout, 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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