Ancient Monuments

History on the Ground

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Hatterrall Hill Enclosure

A Scheduled Monument in Crucorney (Crucornau Fawr), Monmouthshire (Sir Fynwy)

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Latitude: 51.9241 / 51°55'26"N

Longitude: -3.0083 / 3°0'29"W

OS Eastings: 330760

OS Northings: 225539

OS Grid: SO307255

Mapcode National: GBR F6.NSJJ

Mapcode Global: VH78M.TW0X

Entry Name: Hatterrall Hill Enclosure

Scheduled Date: 4 April 1997

Source: Cadw

Source ID: 3518

Cadw Legacy ID: MM261

Schedule Class: Monument

Category: Enclosure

Period: Prehistoric

County: Monmouthshire (Sir Fynwy)

Community: Crucorney (Crucornau Fawr)

Traditional County: Monmouthshire


The monument comprises the remains of an earthwork/stone-built enclosure. The date or precise nature of the enclosure is unknown, but it is likely to be later prehistoric or medieval. The enclosure is circular, comprising a single well preserved bank about 1m high enclosing a ridge top location, with extensive views. The bank is between 3m and 5m wide but no ditch is apparent at any point. The bank is broken by a track on the uphill side, which could be the position of the original entrance.

The monument is of national importance for its potential to enhance our knowledge of later prehistoric or medieval defensive organisation and settlement. The site forms an important element within the wider later prehistoric and medieval context and within the surrounding landscape. The site is well preserved and retains considerable archaeological potential. There is a strong probability of the presence of evidence 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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