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Byrllysg is a prehistoric promontory fort situated in Meirionnydd, Wales, occupying a defensible headland position that commands views across the surrounding landscape. The site is defined by substantial earthwork defences, typically comprising banks and ditches that cut across the promontory to create an enclosed settlement area, a characteristic feature of Iron Age fortified settlements in Wales. Although precise dating evidence remains limited in the published record, promontory forts of this type are generally attributed to the Iron Age period, when such defended enclosures served important functions as strongholds and territorial markers within the settlement hierarchy of prehistoric Wales. The site's inland location and structural form reflect the strategic importance of controlling movement through the Meirionnydd uplands during the later prehistoric period.
Byrllysg promontory fort is a scheduled monument protected by Cadw under reference ME064. View the official record →
Byrllysg is a prehistoric promontory fort situated in Meirionnydd, Wales, occupying a defensible headland position that commands views across the surrounding landscape. It is designated a Scheduled Ancient Monument by Cadw under reference ME064.
Byrllysg promontory fort dates from the prehistoric period, and is classified as a promontory fort - inland. It is one of over 32,000 scheduled monuments protected across Britain.
Byrllysg promontory fort 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 ME064.
Several scheduled monuments lie within 10 km, including Enclosed Hut Circle Settlement and Long huts E of Egryn Abbey (3.9 km), Settlement & Fields Systems above Egryn Abbey (4 km), Mynydd Egryn Ring Cairn (4.3 km).
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Research the area around Byrllysg promontory fort