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The Vivian Quarry, part of the vast Dinorwig slate mines at Llanberis, was last worked in 1958. Since then it has filled with water to a depth of up to 18 metres from mountain run-offs and underground springs. It is now a diving centre, offering clear water and safe sheltered diving.

vivian diving centre llanberis
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Pentre Bach Bunkhouse
Caernarfon
6
  • Bunkhouse
  • Sleeps 16, 1 bedroom
  • £14 to £14 per person/nt