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Tresilian Bay Anti-invasion Defences is a Second World War coastal fortification located in Wales, constructed as part of the broader defensive network established along the Welsh coast following the threat of German invasion. The site comprises pillbox structures and associated anti-invasion works typical of the period 1940 to 1941, when Britain undertook extensive defensive preparations against potential amphibious assault. These concrete and brick structures reflect the standardised military engineering of the period, positioned to command approaches to the bay and prevent enemy landing. The defences remain a material record of civilian and military mobilisation during the critical early years of the Second World War.
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 coastal fortification located in Wales, constructed as part of the broader defensive network established along the Welsh coast following the threat of German invasion. 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 Britain.
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).
Aubrey generates in-depth historical research for any address in Britain — drawing on scheduled monument data, Domesday records, Roman heritage, PAS finds and medieval history to reveal the complete story of a landscape.
Research the area around Tresilian Bay Anti-invasion Defences