Frongoch Quarry
Merionethshire, United Kingdom
Frongoch slate quarry (also known as Fron-goch slate quarry or Fron-gôch slate quarry) was a slate quarry and mine in Mid Wales, approximately halfway between Aberdyfi (then Aberdovey) and Pennal (5 miles (8.0 km) away from each of them). The quarry was named after a nearby farm of the same name (the Fron-goch farm). 'Fron goch' is Welsh for 'Red breast'.
Mine data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).