Ancient Monuments

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Fort South of Pen-Llwyn-Fawr

A Scheduled Monument in Pontllanfraith (Pontllan-fraith), Caerphilly (Caerffili)

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Coordinates

Latitude: 51.6509 / 51°39'3"N

Longitude: -3.195 / 3°11'42"W

OS Eastings: 317420

OS Northings: 195355

OS Grid: ST174953

Mapcode National: GBR HX.7914

Mapcode Global: VH6DF.KRSS

Entry Name: Fort South of Pen-Llwyn-Fawr

Scheduled Date: 20 November 1947

Source: Cadw

Source ID: 2981

Cadw Legacy ID: MM096

Schedule Class: Defence

Category: Fort

Period: Roman

County: Caerphilly (Caerffili)

Community: Pontllanfraith (Pontllan-fraith)

Built-Up Area: Pontllan-fraith

Traditional County: Monmouthshire

Description

The monument comprises buried features and earthworks representing a Roman fort. The primary Roman fort network was designed and constructed by the Roman army for the purpose of military conquest and rule. The fort is situated on a S-facing slope in the middle of a housing estate, and is crossed by Highfield Road. The fort consists of a square earthwork of a gently sloping bank and ditch, 73m in diameter. N of the road the bank is 11m wide, with a maximum height of 1.5m. The ditch is flat-bottomed and 2.5m wide. Outside the ditch on the E side of the fort is a low bank. To the S of the road the ground slopes away steeply and the S edge of the fort is defined by a scarp 1.5m high with a 5m wide berm below. The interior of the fort slopes gently to the S.

The monument is of national importance for its potential to enhance our knowledge of Roman military organisation. The monument forms an important element within the wider context of the Roman occupation of Wales and the structures may contain well preserved archaeological evidence concerning chronology, layout and building techniques.

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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