Tags: Mountain Pass.
The Nant Ffrancon Pass in Snowdonia North Wales is the long steady climb of the A5 road between Bethesda Gwynedd and Llyn Ogwen in Conwy. The summit at 312 metres (1024 ft) is at Pont Wern-gof about one-third of a mile beyond the eastern end of Llyn Ogwen. From here the road descends through Nant y Benglog to Capel Curig and through to Betws-y-Coed. The A5 is the Holyhead to London trunk road which was re-engineered by Thomas Telford between 1810 and 1826.
