Ancient Monuments

History on the Ground

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Wat's Dyke: Section north & east of New Brighton

A Scheduled Monument in Argoed, Flintshire (Sir y Fflint)

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Latitude: 53.1843 / 53°11'3"N

Longitude: -3.1205 / 3°7'13"W

OS Eastings: 325217

OS Northings: 365827

OS Grid: SJ252658

Mapcode National: GBR 70.3JGB

Mapcode Global: WH776.1796

Entry Name: Wat's Dyke: Section N & E of New Brighton

Scheduled Date: 11 December 1950

Source: Cadw

Source ID: 642

Cadw Legacy ID: FL085

Schedule Class: Monument

Category: Linear earthwork

Period: Early Medieval

County: Flintshire (Sir y Fflint)

Community: Argoed

Built-Up Area: New Brighton

Traditional County: Flintshire


The monument consists of a linear earthwork, a substantial bank and ditch forming a major boundary between two adjacent landholdings, and of presumed AD 8th century date. At the northern end, (north of the present Bryn Offa) a section of the bank is well preserved. A section 250yds long also survives to the south of Tenant Farm, with a low bank visible in the orchard. To the south the hedge joins the line of the bank and a footpath follows the line of the ditch. Here the bank stands 5-6ft above the ditch. Another section measuirng 380yds long to the north of Mynydd Bychan has a 3-4ft high bank, which stands 6-8ft above the ditch. To the south of Bryn Offa Farm the bank is high and in good condition. The western ditch is a pool and beyond this is well preserved, with the scarp measuing 21ft at one point.

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

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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