Cwm Penmachno, Italy
The Penmachno quarry (also known as Cwm Machno quarry, Rhiwfachno quarry, or Tan-y-Rhiw quarry) was a slate quarry near Cwm Penmachno, Conwy, North Wales. It was directly below the Rhiwbach Quarry. It was worked between 1818 and 1962.
Listen to the audio guide for Penmachno Quarry Free on WIP — starts by itself when you arrive, even with the screen off