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Latitude: 51.6373 / 51°38'14"N
Longitude: -3.167 / 3°10'1"W
OS Eastings: 319335
OS Northings: 193814
OS Grid: ST193938
Mapcode National: GBR HY.843M
Mapcode Global: VH6DN.233N
Entry Name: Twyn Tudor
Scheduled Date: 2 November 1933
Source: Cadw
Source ID: 2972
Cadw Legacy ID: MM035
Schedule Class: Defence
Category: Motte
Period: Medieval
County: Caerphilly (Caerffili)
Community: Pontllanfraith (Pontllan-fraith)
Traditional County: Monmouthshire
The monument comprises the remains of a motte and bailey castle, a military stronghold built during the medieval period. Twyn Tudor stands on level ground to the S of St Tudur's church. It is a large and steep sided mound, 12m high with a slightly dished summit 14m in diameter. A shallow ditch surrounds the S, N and E sides, this is 5m wide and 1.5m deep, becoming 0.6m deep on the N side. The ditch is not discernible on the W side. There is no bailey evident.
The monument is of national importance for its potential to enhance our knowledge of medieval defensive organisation. The well-preserved monument forms an important element within the wider medieval context and the structure itself may be expected to contain archaeological information 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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