© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw
Site 300m SW of Tan-llan is a prehistoric hillfort located in Wales and recorded as Cadw SAM MG203. The site was revealed through aerial photography, demonstrating the value of this archaeological technique in identifying previously unrecognised defensive earthworks. As a prehistoric defence work, it represents the Iron Age settlement and territorial patterns of Wales, though specific dating and structural details remain limited in the published archaeological record. The hillfort's discovery through aerial survey contributes to the wider understanding of Iron Age fortified settlements across Wales.
Site 300m SW of Tan-llan (revealed by aerial photography) is a scheduled monument protected by Cadw under reference MG203. View the official record →
Site 300m SW of Tan-llan is a prehistoric hillfort located in Wales and recorded as Cadw SAM MG203. It is designated a Scheduled Ancient Monument by Cadw under reference MG203.
Site 300m SW of Tan-llan (revealed by aerial photography) dates from the prehistoric period, and is classified as a hillfort. It is one of over 32,000 scheduled monuments protected across the UK.
Site 300m SW of Tan-llan (revealed by aerial photography) 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 MG203.
Several scheduled monuments lie within 10 km, including Pentre Camp (2.7 km), Gaer Roman Site (2.8 km), Pen y Coed Hillfort, Cyfronydd (3.3 km).
Aubrey generates in-depth historical research for any address in the UK — 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 Site 300m SW of Tan-llan (revealed by aerial photography)