Ancient Monuments

History on the Ground

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Castle Mound 800m NNW of Ty'n-y-Caeau

A Scheduled Monument in Llanddew (Llan-ddew), Powys

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Latitude: 51.9561 / 51°57'21"N

Longitude: -3.3545 / 3°21'16"W

OS Eastings: 307018

OS Northings: 229486

OS Grid: SO070294

Mapcode National: GBR YQ.LY9Y

Mapcode Global: VH6BZ.S3Z9

Entry Name: Castle Mound 800m NNW of Ty'n-y-Caeau

Scheduled Date:

Source: Cadw

Source ID: 1717

Cadw Legacy ID: BR046

Schedule Class: Defence

Category: Motte

Period: Medieval

County: Powys

Community: Llanddew (Llan-ddew)

Traditional County: Brecknockshire


The monument comprises the remains of a Motte and ditch, dating to the medieval period (c. 1066 -1540 AD). A Motte is a large conical or pyramidal mound of soil and/or stone, usually surrounded by either a wet or dry ditch, originally surmounted by a tower constructed of timber or stone. The Castle Mound is circular in plan, around 18m in diameter and 2m high with a flat summit approximately 12m in diameter. On the western side of the mound are the faint traces of a ditch, but this is not visible around the whole circumference of the Motte. There are no traces of a bailey or of structures on the summit of the monument.

The monument is of national importance for its potential to enhance our knowledge of medieval defensive practices. The monument is well-preserved and an important relic of the medieval landscape. It retains significant archaeological potential, with a strong probability of the presence of both structural evidence and intact associated deposits.

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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