Mynydd Perthi is the sunlit hill in front of the higher, shadowed one beyond, which is the 'Marilyn' of Garreg Lwyd; the view is from the rise at 475m of, or near to, Yr Wylorn.
Uploaded to Geograph by Trevor Littlewood on 7 October 2010
Photo © Trevor Littlewood, 7 October 2010. Licensed for reuse under this Creative Commons licence