Ancient Monuments

History on the Ground

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Vervil Dyke

A Scheduled Monument in Merthyr Mawr, Bridgend (Pen-y-bont ar Ogwr)

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Latitude: 51.4849 / 51°29'5"N

Longitude: -3.6014 / 3°36'5"W

OS Eastings: 288899

OS Northings: 177434

OS Grid: SS888774

Mapcode National: GBR HC.KNTS

Mapcode Global: VH5HJ.JYF1

Entry Name: Vervil Dyke

Scheduled Date: 12 September 1994

Source: Cadw

Source ID: 2918

Cadw Legacy ID: GM465

Schedule Class: Defence

Category: Dyke

Period: Early Medieval

County: Bridgend (Pen-y-bont ar Ogwr)

Community: Merthyr Mawr

Traditional County: Glamorgan


The monument consists of the remains of a dyke, a defensive boundary or earthwork dating to the prehistoric or medieval period. It consists of a c. 200m length of bank and ditch running north-north-west to south-south-east between the Ogmore and Ewenni rivers. The bank has been ploughed down and is best preserved at the northern end where it is approximately 8m wide and 1m high. A modern field boundary on the west edge of the ditch may represent the location of a former counterscarp.

The monument is of national importance for its potential to enhance our knowledge of later prehistoric/medieval defensive organization and settlement. It retains significant archaeological potential, with a strong possibility of the presence of associated archaeological features and deposits. A dyke may be part of a larger cluster of monuments and their importance can be further enhanced by group value.

The scheduled area comprises the remains described and areas around them which related evidence may be expected to survive.

Source: Cadw

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