Cwm Dyli is the location of a hydro-electric power station on the southern flank of the Snowdon range in North Wales. At the time it was built, it was the largest hydro-electric power station in the United Kingdom. It is Britain's oldest power station, and is believed to be one of the oldest Grid-connected hydro-electric stations in the world.
Cwm Dyli
Snowdon, or Yr Wyddfa, is a mountain in the Snowdonia region of North Wales. It has an elevation of 1,085 metres (3,560 ft) above sea level, which makes it both the highest mountain in Wales and the highest in the British Isles south of the Scottish Highlands. Snowdon is designated a national nature reserve for its rare flora and fauna, and is located within Snowdonia National Park.
The Snowdon group viewed from the north-east left to right Y Lliwedd, Crib Goch, Yr Wyddfa (the summit), Garnedd Ugain
Hafod Eryri (2009)
Illustration of King Arthur battling a giant
The "knife-edge" arête of Crib Goch (foreground) and the pyramidal peak of Snowdon (background) are both the result of glaciation