Trip Planner:   Europe  /  UK  /  Wales  /  South Wales  /  Cardiff  /  A470
The A470, also known as the Cardiff to Glan Conwy Trunk Road, is the major long-distance road in Wales, from Cardiff on the south coast to Llandudno on the north coast. It is long, and has undergone considerable road improvement in the last two decades. While previously one had to navigate the narrow roads of Llanidloes and Dolgellau, both these market towns are now bypassed due to extensive road modernisation.The road travels through two of Wales's national parks, the Brecon Beacons in the south and Snowdonia National Park, starting just south of Dinas Mawddwy in the north. It is a primary trunk route throughout its length, and the southernmost, from Cardiff Bay to Merthyr Tydfil, is mainly direct and good quality dual carriageway, but most of the route from north of Merthyr to Llandudno is single carriageway which has seen considerable improvement in the last 20–30 years.
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61 reviews
TripAdvisor
  • We use this road to go to Cardiff, rather than using the M4 motorway. It's quieter, and less stressful. We join the A470 in Libanus and go over the Brecon Beacons towards Merthyr Tydfil where the road...  more »
  • Easy to navigate, plenty places to stop for a break, would be a bit slow when busy but was ok in the afternoon when we travelled. A bit curvy in places but being from Scotland it was pretty good to us...  more »
  • I wish I didn't have to travel up and down this road every day. You never know how long it will take you as it's always busy. The black spots are at every junction from the m4 up to Pontypridd as peop...  more »
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