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Tresilian Bay Anti-invasion Defences is a Second World War defensive installation located in Wales, forming part of the extensive coastal fortification programme undertaken by British forces during the threat of German invasion between 1940 and 1941. The site comprises concrete pillboxes and associated anti-tank obstacles typical of the stop line defences constructed along vulnerable stretches of the Welsh coast. These modest but strategically positioned fortifications represent the urgent militarization of Britain's littoral during the period of maximum invasion risk following the fall of France. The surviving structures at Tresilian Bay exemplify the standardized defensive architecture of the early war years, now recognised as important archaeological evidence of Britain's home defence preparations.
Tresilian Bay Anti-invasion Defences is a scheduled monument protected by Cadw under reference GM617. View the official record →
Tresilian Bay Anti-invasion Defences is a Second World War defensive installation located in Wales, forming part of the extensive coastal fortification programme undertaken by British forces during the threat of German invasion between 1940 and 1941. It is designated a Scheduled Ancient Monument by Cadw under reference GM617.
Tresilian Bay Anti-invasion Defences dates from the modern period, and is classified as a pillbox. It is one of over 32,000 scheduled monuments protected across the UK.
Tresilian Bay Anti-invasion Defences 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 GM617.
Several scheduled monuments lie within 10 km, including Castle Ditches Camp (1 km), St Donat's Churchyard Cross (1.6 km), Llantwit Major Monastic Settlement (Site of) (1.8 km).
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Research the area around Tresilian Bay Anti-invasion Defences