He erected various oratories near the rivers Cleddau, Gwaun, and Caman and at the foot of Mynydd Carningli (translated as 'Mountain of the Angels'), which was his most famous foundation.
Historically, the estuary gave seaborne access to castles such as Pembroke and Carew, allowing these to be used as depots in the Norman invasion of Ireland.
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Gold has also been found at the rocks from drillcores and placer gold in the local Eastern Cleddau below the village.