Corn Du Corn Du Corn Du is a mountain immediately to the southwest of Pen y Fan and the second highest peak in South Wales at 873 m (2,864 ft), situated in the Brecon Beacons National Park. The summit itself is marked by a well structured Bronze Age cairn with a central burial cist like that on nearby Pen y Fan. The two summits are visible from great distances owing to their height above the surrounding moorland, and are famous landmarks. The views from the peaks are also panoramic and very extensive, the Black Mountain and Fforest Fawr being especially obvious to
Pen-y-Pass youth hostel operated by YHA, and opposite is an information centre and café and a Snowdonia National Park-run car park. There is also a car park at the foot of the Llanberis Pass at Nant Peris as well as others in Llanberis village. There is a park and ride bus service to Pen-y-pass car park, which is the hub of the year-round Sherpa bus network provided by Express Motors and GHA Coaches. This service links Pen-y-Pass to Llanberis, Capel Curig, Betws-y-Coed, Beddgelert, Porthmadog, Rhyd Ddu and Waunfawr. Pen-y-Pass Pen-y-Pass is a mountain pass in Snowdonia, Gwynedd, north-west Wales. It is