Porthdinllaen ("English" Porth Dinllaen), is a small coastal village in the Dwyfor locality on the Llŷn Peninsula within Gwynedd, North Wales, previously in Caernarfonshire.It has been owned by the National Trust since 1994. With views across to Yr Eifl and Snowdonia, Porthdinllaen, with Nefyn and Morfa Nefyn, form a m...