Wrysgan Quarry

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The 625 ft high exit incline from Wrysgan
The ruined Wrysgan mill with the slate stacking yard beyond

Wrysgan Quarry was a slate quarry near the village of Tanygrisiau, north Wales.

Description

Wrysgan sits high on the flank of Moel-yr-hydd, to the south of Cwm Orthin. It was separated from Cwm Ystradau by a sharp ridge, through which the quarry bored an inclined tunnel in order to connect to the Festiniog Railway.[1]

On the north side of the tunnel a tramway led to the mill and stacking area, which stood on a small area of flat ground high above Cwm Orthin. To the south of the mill an incline led up to the main floor 3 adit which led west into the chambers underneath Moel-yr-hydd. Further adits lay to the south, accessing other levels.[1]

History

The first slate was worked at Wrysgan in the 1830s. In the 1850s the quarry underwent a substantial expansion, including the construction of a mill on the site. This mill was replaced with a larger facility in 1865 which was powered by a waterwheel supplied from the LLyn Wrysgan reservoir above. Electricity was introduced in 1920. [2]

The quarry closed and the incline was lifted in 1946. [2]

References

  1. ↑ 1.0 1.1 Ordnance Survey (1889) (Map). 1:2500.
  2. ↑ 2.0 2.1 "WRYSGAN QUARRY (SLATE)". Royal Commission of the Historical and Ancient Monuments of Wales. 
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