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Trevallen Downs Tank Range is a post-medieval and modern firing range in Wales, now protected as a scheduled monument by Cadw under reference PE533. The site was established as a military training area to take advantage of the open moorland terrain characteristic of the Welsh uplands. The underlying Dinantian limestone bedrock, interspersed with sandstone and argillaceous rocks, provided a suitable natural backstop for artillery practice whilst the exposed landscape offered few obstacles to weapon testing.
The range exemplifies the utilisation of marginal Welsh land for twentieth-century military purposes during a period when such moorland had limited agricultural value. The Dinantian geology typical of this region has created a distinctive landscape of exposed bedrock and sparse vegetation, conditions which made the location strategically valuable for the armed forces. Evidence of its use survives in the form of military structures and modifications to the natural terrain.
The scheduled monument designation recognises the site's historical significance as a record of modern military training and the broader pattern of defence infrastructure development across Wales. Its protection ensures that this landscape, shaped by both natural geological processes and deliberate wartime and post-war activities, remains preserved for future study and understanding of twentieth-century military heritage.
Trevallen Downs Tank Range is a scheduled monument protected by Cadw under reference PE533. View the official record →
Trevallen Downs Tank Range is a post-medieval and modern firing range in Wales, now protected as a scheduled monument by Cadw under reference PE533.
Trevallen Downs Tank Range dates from the post medieval/modern period, and is classified as a firing range. It is one of over 32,000 scheduled monuments protected across the UK.
Trevallen Downs Tank Range 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 PE533.
Several scheduled monuments lie within 10 km, including St Govan's Chapel and Well (0.6 km), Buckspool Down Camp (1.1 km), Fishpond Camp (1.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Trevallen Downs Tank Range'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.
Trevallen Downs Tank Range stands on Dinantian Rocks (Undifferentiated), bedrock that formed in the Mississippian. The rock here is limestone with subordinate sandstone and argillaceous rocks.