Cwm Orthin Quarry

Cwm Orthin tramway (1850), serving Cwm Orthin Quarry, and extended to also serve Conglog, descended 2 inclines to join the railway just above Tanygrisiau.

See also "Cwmorthin Slate Quarry" by Graham Isherwood ISBN 0-9522979-1-4

See also

• Quarries Served By The Festiniog Railway