Porth yr Aber

Porth yr Aber is shown as a bay on the public map of Ynys Môn / Isle of Anglesey. The saved point is the map point or the centre of its mapped shape.

Porth yr Aber is a coastal bay on Ynys Môn (Isle of Anglesey) featuring sandstone and limestone cliffs formed during the Carboniferous period, around 300 million years ago. The rock formations are part of the South Stack Limestone Group and are notable for their fossil content and role in understanding regional geological history.