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Offa's Dyke is a substantial linear earthwork constructed in the late eighth century under the direction of King Offa of Mercia to mark and defend the border between his kingdom and the Welsh territories to the west. The section within Boatwood Plantation, situated southwest of Chase Farm in Gloucestershire, survives as a prominent bank and ditch formation typical of the monument's construction across its length. This portion of the dyke represents part of the most extensive linear frontier work of Anglo-Saxon England, stretching over 150 kilometres from the Severn estuary northwards. The survival of earthwork sections such as this in Gloucestershire demonstrates the dyke's original ambition and engineering significance as both a boundary demarcation and a defensive structure.
Offa's Dyke: section in Boatwood Plantation, 320m south west of Chase Farm is a scheduled monument protected by Historic England under reference 1020606. View the official record →
Offa's Dyke is a substantial linear earthwork constructed in the late eighth century under the direction of King Offa of Mercia to mark and defend the border between his kingdom and the Welsh territories to the west. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1020606.
Offa's Dyke: section in Boatwood Plantation, 320m south west of Chase Farm is a Scheduled Ancient Monument, legally protected by Historic England (NHLE) — the body responsible for designating and safeguarding heritage sites in England. The official designation reference is 1020606.
Several scheduled monuments lie within 10 km, including St Peter's Cave (5.8 km), Bulwarks Prehistoric Enclosure (5.8 km), Long Barrow and Round Barrow at Thornwell Farm (6.9 km).
This page is just one thread. A full Aubrey report pulls together 15 strands of Offa's Dyke: section in Boatwood Plantation, 320m south west of Chase Farm's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Offa's Dyke: section in Boatwood Plantation, 320m south west of Chase Farm stands on Dinantian Rocks (Undifferentiated), bedrock that formed in the Mississippian. The rock here is limestone with subordinate sandstone and argillaceous rocks.