6 - Eyri ( Snowdon National Park ) - Misc
Cwm Eigiau Quarries
Top Pic Left - View over Cedryn Quarry to Llyn Eigiau. The Horseshoe Path passes this way .SH 7198 6350
Top Pic Right -The levels of the Cwm Eigiau Slate Quarry. Only a thin, steeply-inclined band of slate of extremely poor quality was available
which created the extensive waste heaps when compared with the small excavation.
Lower Pic Left - Another view of ruined buildings of Cwm Eigiau Slate Quarry , Craig yr Ysfa towers above.SH 7027 6360
Lower Pic Right - Amongst the ruins is a massive block of rock with drilled holes and grooves.
A Rock Cannon , gunpowder filled the holes and grooves , giving an explosive display during days of celebration. SH 7013 6358
Ref: NW 4404.11.12.08
Date: 10/05/2025
