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Piel Castle is a fourteenth-century fortress constructed on Piel Island in Morecambe Bay, Lancashire, serving as a strategic stronghold for the defence of the nearby port of Barrow and the maritime trade routes of north-west England. The castle comprises a substantial rectangular keep with corner towers, characteristic of late medieval military architecture, surrounded by defensive curtain walls and gatehouse structures that reflect its importance as both a garrison and administrative centre. Built under the jurisdiction of the Duchy of Lancaster, the castle remained in use throughout the medieval period and into the early modern era, though its strategic significance diminished with changing patterns of coastal defence and trade. The substantial stone ruins that survive today, positioned prominently on the island, represent one of the most intact examples of a medieval coastal fortress in the North West of England.
Piel Castle is a scheduled monument protected by Historic England under reference 1009097. View the official record →
Piel Castle is a fourteenth-century fortress constructed on Piel Island in Morecambe Bay, Lancashire, serving as a strategic stronghold for the defence of the nearby port of Barrow and the maritime trade routes of north-west England. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1009097.
Piel Castle 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 1009097.
Several scheduled monuments lie within 10 km, including Moat Hill, motte and bailey castle and earlier ringwork (7.7 km), Moat Farm moated site (7.9 km), Bow Bridge medieval multi-span bridge (7.9 km).
This page is just one thread. A full Aubrey report pulls together 15 strands of Piel Castle'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.
Piel Castle stands on Triassic Rocks (Undifferentiated), bedrock that formed in the Triassic. The rock here is mudstone, siltstone and sandstone.