The B4518 road is a road in

Powys Powys ( , ) is a Principal areas of Wales, county and Preserved counties of Wales, preserved county in Wales. It borders Gwynedd, Denbighshire, and Wrexham County Borough, Wrexham to the north; the English Ceremonial counties of England, ceremo ...

, central Wales, with a total length of . It begins at in

Rhayader Rhayader (; ; ) is a market town and community (Wales), community in Powys, Wales, within the Historic counties of Wales, historic county of Radnorshire. The town is from the source of the River Wye on Plynlimon, the highest point of the Cambri ...

near the junction of the

A470 road The A470 (also named the Cardiff to Glan Conwy Trunk Road) is a trunk road in Wales. It is the country's longest road at and links the capital Cardiff on the south coast to Llandudno on the north coast. While previously one had to navigate th ...

and the

A44 road The A44 is a major road in the United Kingdom that runs from Oxford in southern England to Aberystwyth in west Wales. History The original (1923) route of the A44 was Chipping Norton to Aberystwyth. No changes were made to the route of the ...

and leads eventually to the A470 again at

Llanbrynmair Llanbrynmair or Llanbryn-mair () is a village, Community (Wales), community and electoral ward in Montgomeryshire, Powys, Wales on the A470 road between Caersws and Machynlleth. In 2011, it had a population of 920. Description The community inc ...

at . En route going north from Rhayader it passes through the following settlements: St Harmon, Pant-y-Dwr, Tylwch,

Llanidloes Llanidloes () is a town and community on the A470 and B4518 roads in Powys, within the historic county boundaries of Montgomeryshire (), Wales. The population in 2011 was 2,929, of whom 15% could speak Welsh. It is the third largest settleme ...

(where it crosses the A470 again),

Staylittle Staylittle (), sometimes referred to colloquially as Y Stay or Y Stae, is a small village set in the shallow upland basin of the Afon Clywedog on the B4518 road, equidistant from Llanidloes and Llanbrynmair in the historic county of Montgomer ...

, Pont Crugnant, Pennant,

Bont Dolgadfan Bont Dolgadfan is a small village off the B4518 road in Powys, Wales. It is part of the community of Llanbrynmair and forms a community ward for elections to the community council. There are two major estates in Bont Dolgadfan, Dolgadfan itse ...

, Llan and Plas Esgair. It passes through the

Clywedog Valley The River Clywedog is a river in Wrexham County Borough, Wales. Its uses have been watering crops, powering industrial machinery but is now used as walking trails or geography trips. The river originates to the west of Wrexham, and joins the ...

and Clywedog Reservoir, built in 1964.

References

Roads in Wales Transport in Powys {{Wales-road-stub