History, tourist information, and nearby accommodation
The round tower was 10 metres in diameter with walls nearly 2 metres thick. The rectangular building atop the second mound originally measured about 18 metres long and 10 metres wide.
The castle is generally attributed to Maredudd Gethin, prince of Gwynllg, though there are alternate theories. It probably was abandoned shortly after 1236. It was thought to be used by Morgan ap Hywell after he was ousted from Caerleon by the Normans, and it is possible that Morgan built the round tower.
The curtain wall and enclosing bailey were probably later additions, possibly built by Gilbert Marshall, the Norman Earl of Pembroke, after he captured Castle Machen around 1236. The castle was held by Maredudd after 1248, and later passed to the powerful de Clare family.
While in the area, take the time to visit Caerphilly Castle, only 4 miles away.
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About Castell Machen
Address: Machen, Glamorgan, Wales
Attraction Type: Castle
Location: 4 miles east of Caerphilly, off the A468
OS: ST228 886
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NEARBY HISTORIC ATTRACTIONS
Heritage Rated from 1- 5 (low-exceptional) on historic interest
Caerphilly Castle - 4.4 miles (Castle)
Tredegar House - 4.5 miles (Historic House)
Caerphilly Roman Fort - 4.5 miles (Roman Site)
Bellevue Park, Newport - 5.1 miles (Garden)
Newport, St Woolos Cathedral - 5.2 miles (Cathedral)
Newport Castle - 5.3 miles (Castle)
Llantarnam Abbey - 6 miles (Abbey)
Roath Park - 6.2 miles (Garden)
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