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
Surf Snowdonia Surf Snowdonia Surf Snowdonia is an artificial wave pool at Dolgarrog in the Conwy valley, north Wales, owned by Conwy Adventure Leisure Ltd. It is the world's first commercial artificial surfing lake and the United Kingdom's only artificial surfing lake. The site cost a total of £12 million and opened in August 2015. In 2007 Dolgarrog Aluminium closed, and a group was established to decide what should be on the site in its place. The following year the site was purchased by Ainscough Johnston, a Lancashire-based strategic land company, whose initial plans were for housing – including affordable housing –