Penllyn Slate Quarry (disused)
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Penllyn Slate Quarry (disused)
Penllyn Slate Quarry (disused) in Conwy, Dolwyddelan.
Penllyn Slate Quarry (disused)
Land use
quarry
Conwy Valley Line
Roman Bridge, Pont-y-Pant
Bwlch -y-Groes track
Bwlch y Groes track
Dolwyddelan WwTW