Image of Mynydd Machen (Round Cairn) by thesweetcheat

Looking west. The peculiar coxcomb hill is Pen-rhiw Tip, and the hill rising behind that to the left is Mynydd y Grug. The Twyn yr Oerfel cairns are at the bottom of Mynydd y Grug and intervisible with Mynydd Machen.

Image credit: A. Brookes (30.1.2022)