Llyn Idwal into Llyn Idwal from around Cwm Idwal. One small river flows out and joins the Afon Ogwen river at Pont Pen-y-Benglog near Ogwen Cottage, immediately above the Rhaeadr Ogwen waterfall. The lake is easily accessible on foot via a 900-metre long stone-paved path from Ogwen Cottage on the main A5 road. Another path encircles the lake. Two paths lead from opposite sides of the lake to the top of the ridge close to the Twll Du (Devil's Kitchen), but these paths become rather steep in places. They lead to Glyder Fach and Glyder Fawr. There is a small pebble beach
Idwal ap Meurig repair these disasters. But he was killed in 997 in attempting to expel the Danes, who, under Sweyn, the son of Harald, were once more devastating Anglesey. He left an infant son, Iago ab Idwal ap Meurig. Idwal ap Meurig Idwal ap Meurig (died 997), was king of Gwynedd. He was the son of Meurig ab Idwal Foel, who, though the rightful heir to the throne, was killed in 986, in the course of one of the many struggles for the kingship which characterised the period from the death of Hywel Dda in 950 until the time of Gruffydd ap