出典:Wikipedia
出典:『Wikipedia』 (2010/04/03 06:07 UTC 版)
Diffwys is a mountain in Snowdonia, North Wales, near Barmouth and forms part of the Rhinogydd. On the north side is an exposure of the Caerdion Syncline. It is technically a subsidiary summit of Y Llethr, missing Marilyn status by 2m. It is therefore like Rhinog Fach a sub Marilyn.