Famed for its strikingly rugged landscape, Wales is a country that is part of the United Kingdom. Dominated by the Cambrians, central and north, and by the Brecon Beacons of the south, Wales is a mountainous country on the western side of Great Britain.It is bordered by England to its east, the Irish Sea to its north and west, and the Bristol Channel to its south. It has a varied geography with strong contrasts.
|Mountain road||Elevation||County||Between||Road type||Notes|
|Marchlyn Mawr Dam||643m (2,109ft)||Caernarfonshire||Deiniolen and Marchlyn Mawr||Dead End||Access road to dam|
|Ffynnon Llugwy||554m (1,817ft)||Caernarfonshire||A5 and Ffynnon Llugwy||Dead End||Access road to lake|
|Bwlch yr Efengyl||549m (1,801ft)||Brecknockshire||Hay-on-Wye and Abergavenny||Pass||Highest road in Wales|
|Bwlch y Groes||545m (1,788ft)||Merionethshire||Llanuwchllyn and Dinas Mawddwy||Pass||Highest road in North Wales|
|Bwlch y Cloddiau||533m (1,748ft)||Montgomeryshire||Llangurig and Afon Diliw||Dead End|