Pen y Cerrig Duon
Pen y Cerrig Duon is a mountain summit in the Tywyn to the Afon Efyrynwy region in the county of Gwynedd, Wales. Pen y Cerrig Duon is 611 metres high with a prominence of 12 metres. The summit can be identified by: no feature Additional Notes: All the walks up Pen y Cerrig Duon on […]

