1 - Porthmadog to Abersoch
Built (1230) by Llywelyn the Great .
A Welsh fortress with a gatehouse flanked by D-shaped stone towers .
In 1283 the castle was captured by the English King - Edward I
In 1404 Welsh forces under Owain Glyndwr captured the castle ,
tore down the stone walls and set the Castle alight.
Ref: NW 42
Date: 16/09/2021
Location: SH 5100 3804