A cairn on the top of the Llanberis Pass in Wales is known as Corffwysfa Pens (the Resting-Place of Saint Pens), and there are traditions of pilgrimage to the hill to pray for the intercession of Saint Pens. However, no information about him has survived.
- “Saint Pens“. CatholicSaints.Info. 10 December 2010. Web. 12 February 2016. <>