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Penrhos Camp is a post-medieval fortification located in Wales, constructed during the Civil War period when the region became strategically significant in the conflict between Parliamentarian and Royalist forces. The earthworks remain visible today as substantial defensive lines, characteristic of hastily constructed military positions that prioritized function over permanence.
The fort is built upon bedrock of Lower Devonian rocks, undifferentiated mudstone, siltstone and sandstone that formed during the Early Devonian period. This geological foundation provided a relatively stable base for the earthwork construction, though the mixed geology would have presented varying resistance to digging and rampart building. The underlying geology shaped how the fortification's ditches and banks were engineered into the landscape.
Penrhos Camp is protected and scheduled as an ancient monument under Cadw, the Welsh heritage organization, registered under reference MM011. This designation recognises its importance as evidence of Civil War military engineering and strategy in Wales. The earthworks survive as a significant physical record of seventeenth-century conflict and demonstrate the tactical considerations that determined fort placement and design during this tumultuous period in British history.
Penrhos Camp (civil war earthworks) is a scheduled monument protected by Cadw under reference MM011. View the official record →
Penrhos Camp is a post-medieval fortification located in Wales, constructed during the Civil War period when the region became strategically significant in the conflict between Parliamentarian and Royalist forces. It is designated a Scheduled Ancient Monument by Cadw under reference MM011.
Penrhos Camp (civil war earthworks) dates from the post medieval/modern period, and is classified as a fort. It is one of over 32,000 scheduled monuments protected across the UK.
Penrhos Camp (civil war earthworks) is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is MM011.
Several scheduled monuments lie within 10 km, including St Julian's Wood Camp (2.7 km), Newport Castle (4.5 km), Round Barrow 57m South of Stock Wood (4.7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Penrhos Camp (civil war earthworks)'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.
Penrhos Camp (civil war earthworks) stands on Lower Devonian Rocks (Undifferentiated), bedrock that formed in the Early Devonian. The rock here is mudstone, siltstone and sandstone.