Black Mountain Road (A4069) is a famous road that twists, dips and climbs in the western part of the Brecon Beacons National Park, in Wales, along the Black Mountains. It features a combination of bends and there's lots of dips, twists and climbs.
Devil’s Staircase is a set of hairpin turns hitting a 20.1% of maximum gradient, running through the Cambrian Mountains, in Wales. It’s an old drover's track stretching for about 20 miles between the small hamlet of Abergwesyn and the town of Tregar.
