URPoint Details
Tanygrisiau Reservoir, part of a pumped storage hydroelectricity installation. Much nearer the railway station is a waterfall on the Afon Cwmorthin and below the falls, and powered by a different water source, is a very small hydro-electric power station.
Tanygrisiau has close links with the regiment of the Royal Welsh Fusiliers.
The village is a starting point for walks into the Moelwyns, especially if the intention is to climb Moelwyn itself. Care should be taken as there are numerous mine shafts in the area.
The River Dwyryd (Welsh: Afon Dwyryd, meaning a river of two fords) is a river in Gwynedd, Wales which flows principally westwards; draining to the sea into Tremadog Bay, south of Porthmadog.
The Dwyryd rises in the hills to the north of Ffestiniog. At its most northern extent, water draining from Moelwyn Mawr drains into the Tanygrisiau Reservoir, the outflow of which forms the source of the Afon Goedol. This is joined by the River Bowydd. Below Rhyd y Sarn, the river is joined by the Afon Cynfal which flows from the east down a deep wooded gorge which includes the spectacular Rhaeadr Cynfal (Cynfal waterfall) south of Ffestiniog. The main river from here on flows
- Type:
- Landmark