Ty'n-y-bryn quarry (also known as Bwlch y Llan quarry or Lledr Vale quarry) was a slate quarry that was worked from the 1840s to about 1914. It stands on the south-east edge of Dolwyddelan.
Ty'n-y-bryn quarry (also known as Bwlch y Llan quarry or Lledr Vale quarry) was a slate quarry that was worked from the 1840s to about 1914. It stands on the south-east edge of Dolwyddelan. (en)
Ty'n-y-bryn quarry (also known as Bwlch y Llan quarry or Lledr Vale quarry) was a slate quarry that was worked from the 1840s to about 1914. It stands on the south-east edge of Dolwyddelan. (en)