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Cof Cymru: National Historic Assets of Wales · Wales

Trevallen Downs Tank Range

Stackpole and Castlemartin, Pembrokeshire, Wales

A scheduled monument in Stackpole and Castlemartin, Pembrokeshire, recorded as Firing Range (Post Medieval/Modern).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Trevallen Downs Tank Range, Stackpole and Castlemartin, Pembrokeshire, with a pin at the register's coordinates
Ordnance Survey six-inch map, 2nd edition (1888–1913), covering this location. Courtesy of the National Library of Scotland. The pin is ours, placed from the register's coordinates.

The record

Designation
Scheduled monument
Site type
Firing Range
Period
Post Medieval/Modern
Date of designation
18 September 2008
Community
Stackpole and Castlemartin
Unitary authority
Pembrokeshire
Country
Wales
Coordinates (centre of the scheduled area)
51.60215, -4.93412
SAM number
PE533
Cadw record number
1263

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

5 historical maps cover this location, the earliest the 1608 map "(13) Cambriae Typus." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1608 · (13) Cambriae Typus. (David Rumsey Map Collection, Stanford Libraries)
  • 1636 · Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ... (David Rumsey Map Collection, Stanford Libraries)
  • 1891 · Sheet 10. Ordnance Survey of England and Wales. . (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 245 Pembroke (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • Sheet 7 South Wales (University Library, Vrije Universiteit Amsterdam)

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This record in Cadw's own full report ↗

Cadw's description

The following provides a general description of the Scheduled Ancient Monument.

The monument, also known as the Cadet Range, comprises the remains of a Royal Armoured Corps tank range, which dates to the Second World War (AD 1939-45). It is located at the E end of Castlemartin Range and consists of an inland Firing Point S of Newton and three Range Targets on Trevallen Downs 600m to the SE. The Firing Point (Item A) includes concrete hard standings relating to the assembly area, a firing triangle and a static firing pad. The Range Targets include two target railways (Items B and D), each possessing a blockhouse at either end of the railway, and a blockhouse related to a pop-up or swivel target adjacent to an RAF aerial bombing target (Item C).

The monument is a rare and complete surviving example of a Second World War tank range. It is of national importance for its potential to enhance and illustrate our knowledge of military training techniques and facilities. The monument forms an important element within the wider regional military context and the site itself may be expected to contain archaeological information in regard to building techniques and functional detail. The monument is well preserved and possesses important group value.

The areas to be scheduled comprise the remains described and areas around within which related evidence may be expected to survive. Area 'A', incorporating Item A, is an irregular polygon and measures 500m NW-SE by 140m transversely. It is centred on NGR SR 96540 93560. Area 'B', incorporating Item B, is an irregular polygon and measures 215m ENE-WSW by 55m transversely. It is centred on NGR SR 96890 93065. Area 'C', incorporating Item C, is an irregular polygon and measures 200m E-W by 130m transversely. It is centred on NGR SR 97125 93025. Area 'D', incorporating Item D, is an irregular polygon and measures 240m NE-SW by 60m transversely. It is centred on NGR SR 97360 92970.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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