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 Foel brother Elisedd. The "Annales Cambriæ" record his failure: "Idwal and his brother Elisedd are killed in battle against the Saxons". The throne of Gwynedd should have passed to Idwal's sons Iago and Ieuaf, but Hywel invaded and drove them from the kingdom. He reigned for eight years before they were able to return and reclaim their patrimony. Idwal Foel Idwal Foel (Idwal the Bald; died c. 942) or Idwal ab Anarawd (Idwal son of Anarawd) was a 10th-century King of Gwynedd in Wales. A member of the House of Aberffraw, he inherited the throne from his father, Anarawd ap Rhodri.