Ancient Monuments

History on the Ground

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Wat's Dyke: Section north of Bryn Estyn

A Scheduled Monument in Hope (Yr Hob), Flintshire (Sir y Fflint)

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Latitude: 53.1217 / 53°7'17"N

Longitude: -3.0333 / 3°1'59"W

OS Eastings: 330947

OS Northings: 358774

OS Grid: SJ309587

Mapcode National: GBR 74.77PQ

Mapcode Global: WH88K.CSTR

Entry Name: Wat's Dyke: Section N of Bryn Estyn

Scheduled Date:

Source: Cadw

Source ID: 2211

Cadw Legacy ID: FL118

Schedule Class: Monument

Category: Linear earthwork

Period: Early Medieval

County: Flintshire (Sir y Fflint)

Community: Hope (Yr Hob)

Built-Up Area: Hope

Traditional County: Flintshire


The monument comprises a stretch of Wat's Dyke, an early historic boundary marker probably associated with the border of the kingdom of Mercia. Both Offa's Dyke and Wat's Dyke probably represent separate attempts in the 8th century to formalise the boundary between the early historic kingdoms within Wales and Mercia to the east. Wat's Dyke runs south from Holywell to the Morda Valley near Maesbury. For the most part, Wat's dyke consists of an earthen bank, often utilising local topography and fronted, where it survives, by a ditch to the west. The size of the surviving earthworks varies considerably, reflecting differences in preservation and probably also in the original scale of construction. The northern part of this section survives as a grass and tree covered bank within an open area adjacent to the main Wrexham Road and the houses to the west. The southern section forms the boundary between the gardens of the houses at the end of Pen-y-Bryn and the Wrexham Road, and extends to the edge of the road, and through the gardens.

The monument is of national importance for its potential to enhance our knowledge of early 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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