Ancient Monuments

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Offa's Dyke: Section from North Lodge, Leighton Park to Old Quarry south of Green Wood

A Scheduled Monument in Forden with Leighton and Trelystan (Ffordun gyda Tre'r-llai a Threlystan), Powys

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Latitude: 52.631 / 52°37'51"N

Longitude: -3.1101 / 3°6'36"W

OS Eastings: 324959

OS Northings: 304269

OS Grid: SJ249042

Mapcode National: GBR B1.7BZC

Mapcode Global: WH79X.647C

Entry Name: Offa's Dyke: Section from North Lodge, Leighton Park to Old Quarry S of Green Wood

Scheduled Date: 9 December 1988

Source: Cadw

Source ID: 1982

Cadw Legacy ID: MG035

Schedule Class: Monument

Category: Linear earthwork

Period: Early Medieval

County: Powys

Community: Forden with Leighton and Trelystan (Ffordun gyda Tre'r-llai a Threlystan)

Traditional County: Montgomeryshire


The monument consists of the remains of a length of Offa’s Dyke, a presumed 8th century AD defensive bank and ditch. It consists of a stretch of bank, with a ditch on the western side. A counterscarp (raised bank) may be visible on the west side of the ditch in places.

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 dyke may be part of a larger cluster of monuments and their importance can be further enhanced by their group value.

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

Source: Cadw

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