Parwyd is an inlet which separates the two headlands of Pen-y-Cil and Mynydd Bychestyn. The cliffs are formed of faulted slices of Ordovician sedimentary rocks abutting Pre-Cambrian rocks of the Lleyn Shear Zone. Parwyd is a word meaning a wall, and particularly a dividing wall.
Uploaded to Geograph by Eric Jones on 27 October 2010
Photo © Eric Jones, 27 October 2010. Licensed for reuse under this Creative Commons licence