Plas Penrhyn as it was known in the 16th century was a predominantly stone Tudor Mansion which is thought to have been built on the site of a royal palace which itself was built in the 8th Century.
book. They managed to evade capture when their hideaway was discovered in
1587 but were later arrested in 1592 in Holyhead. Robert Pugh escaped but William Davies was convicted of being a Catholic priest and hung, drawn and quartered in Beaumaris.
There are toilets on site