Ancient Monuments

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Twyn y Cregen Castle Mound

A Scheduled Monument in Llanarth (Llan-arth), Monmouthshire (Sir Fynwy)

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Coordinates

Latitude: 51.782 / 51°46'55"N

Longitude: -2.9252 / 2°55'30"W

OS Eastings: 336273

OS Northings: 209665

OS Grid: SO362096

Mapcode National: GBR F9.YWKM

Mapcode Global: VH79G.7GYR

Entry Name: Twyn y Cregen Castle Mound

Scheduled Date: 1 October 1937

Source: Cadw

Source ID: 2358

Cadw Legacy ID: MM080

Schedule Class: Defence

Category: Motte

Period: Medieval

County: Monmouthshire (Sir Fynwy)

Community: Llanarth (Llan-arth)

Traditional County: Monmouthshire

Description

The monument comprises the remains of a motte and ditch, dating to the medieval period (c. 1066 -1540 AD). The site consists of a large conical, steep-sided mound, 5m high, with a flat top. The surrounding ditch is not visible on the grounds. On the S side of the mound is a depression caused by the quarrying of the site for gravel. A brief excavation of the motte in 1936 revealed that it had been constructed by augmenting a natural mound by digging a ditch around it and raising and levelling the top. On the summit of the motte a hearth was found, together with charcoal and an assemblage of high quality medieval pottery.

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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