Castell Arnallt, Medieval castle ruins in Llanover, United Kingdom
The remains of Castell Arnallt consist of a large oblong mound with steep sides, measuring 87 meters east to west and 52 meters north to south.
The castle served as the fortified residence of Seisyll ap Dyfnwal, Lord of Gwent Uwchcoed, until its destruction following the Abergavenny Castle massacre in 1175.
This scheduled monument represents an important example of Welsh medieval fortification architecture and the power structures of ancient Gwent monarchy.
Visitors need to obtain permission from landowners before accessing the site, as the castle grounds are currently utilized for agricultural and grazing purposes.
Geophysical surveys indicate the presence of hidden masonry structures at the summit, suggesting the site was more complex than a simple motte fortification.
Location: Llanover
GPS coordinates: 51.78459,-2.98805
Latest update: March 3, 2025 05:43
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