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Latitude: 51.9082 / 51°54'29"N
Longitude: -4.3425 / 4°20'32"W
OS Eastings: 238961
OS Northings: 225893
OS Grid: SN389258
Mapcode National: GBR DD.PZFY
Mapcode Global: VH3L8.P95H
Entry Name: Ty Cwm Tawel Anti-invasion Defences
Scheduled Date: 6 March 2008
Source ID: 960
Cadw Legacy ID: CM372
Schedule Class: Defence
Category: Anti-invasion defence site
Period: Post Medieval/Modern
County: Carmarthenshire (Sir Gaerfyrddin)
Community: Cynwyl Elfed
Traditional County: Carmarthenshire
The monument, also known by the name Rock and Fountain after the former public house, consists of anti-invasion defences, dating to the early period of World War II (AD 1940-41), that formed part of Western Command's Carmarthen Stop Line, which ran from Llangranog via Cynwyl Elfed and Carmarthen to the mouth of the Afon Tywi. The defences are located at the confluence of Nant Cwm Tawel with the Afon Gwili. Here, they defend the strategically important narrowing of the Gwili valley where the road, railway and river ran in parallel. Located adjacent to a reservoir and pumping house, the structures may also have defended a public water supply. A pillbox (Item 'A') defends the track towards the reservoir, as well as the trunk road to the NW and SE. A pumping house (Item 'B') immediately to the NE was fortified by the addition of a strongpoint. A double row of vertical steel girders (Item 'C') to the N across the Afon Gwili and railway embankment provided an anti-tank obstacle. A second double row of vertical steel girders (Item 'D') to the W across Nant Cwm Tawel provided an additional anti-tank obstacle. A barbed wire entanglement (Item 'E') survives to the N of Item 'C'.
The monument is of national importance for its potential to enhance our knowledge of World War II anti-invasion practices. The monument is well preserved and its importance is further enhanced by the group value of the individual structures. It is an important relic of actions taken against the perceived threat of a German invasion from Ireland. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits.
The areas scheduled comprise the remains described and areas around them within which related evidence may be expected to survive. Each scheduled area is irregular in shape on plan.
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