.... this abandoned brickworks? Porthwen is on the north east coast of Anglesey and you will never see it from the road, you will however pass right by it while walking on Anglesey's dramatic coastal path. You suddenly come across it on the other side of a circular bay when you do the path in an anti clockwise direction from Bull Bay and you can't help being intrigued.
It produced refractory bricks for the steel industry from the early part of the 20th century but closed down at the start of the First World War. That means it has been in its abandoned state almost five times longer that it was in use.