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Monmouth Castle is a medieval fortification situated at Monmouth in Gwent, Wales, founded in the late eleventh century following the Norman conquest of the region. The castle comprises a substantial stone keep, known as the Great Tower or Geoffrey's Tower, built in the late twelfth century, along with curtain walls and gatehouse structures that were progressively developed and modified throughout the medieval period. The site served as an important stronghold for the Norman lords of Monmouth and later became a significant administrative centre for the earldom. Today the castle remains a scheduled ancient monument demonstrating the enduring architectural strategies of medieval defensive construction in the Welsh Marches.
Monmouth Castle is a scheduled monument protected by Cadw under reference MM159. View the official record →
Monmouth Castle is a medieval fortification situated at Monmouth in Gwent, Wales, founded in the late eleventh century following the Norman conquest of the region. It is designated a Scheduled Ancient Monument by Cadw under reference MM159.
Monmouth Castle dates from the medieval period, and is classified as a castle. It is one of over 32,000 scheduled monuments protected across the UK.
Monmouth Castle 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 MM159.
Several scheduled monuments lie within 10 km, including Trellech Cross Cross-Base (8.9 km), Gaer 594m SW of Trellech Cross (9.2 km), Dovecot at Hygga Farm (9.5 km).
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