The A490 is a road in the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and No ...

running from

Churchstoke Churchstoke or Church Stoke ( cy, Yr Ystog) is a village, community and electoral ward in Montgomeryshire, Powys, Wales. Located in the southeast of the Vale of Montgomery, it is overlooked by Todleth Hill, Roundton Hill and Corndon Hill. The ...

Powys Powys (; ) is a county and preserved county in Wales. It is named after the Kingdom of Powys which was a Welsh successor state, petty kingdom and principality that emerged during the Middle Ages following the end of Roman rule in Britain. Geog ...

Llanfyllin Llanfyllin ( – ) is a market town, community and electoral ward in a sparsely populated area in Montgomeryshire, Powys, Wales. Llanfyllin's community population in 2011 was 1,532, of whom 34.1% could speak Welsh. Llanfyllin means ''church or ...

, also in Powys. The road runs for a short distance through

Shropshire Shropshire (; alternatively Salop; abbreviated in print only as Shrops; demonym Salopian ) is a landlocked historic county in the West Midlands region of England. It is bordered by Wales to the west and the English counties of Cheshire to t ...

in England.

The route

The road starts in Churchstoke at a junction with the A489. From here it heads north, crossing over the border into Shropshire, and passes through Chirbury. After Chirbury it crosses back into Powys and past Forden. It then crosses over the

River Severn , name_etymology = , image = SevernFromCastleCB.JPG , image_size = 288 , image_caption = The river seen from Shrewsbury Castle , map = RiverSevernMap.jpg , map_size = 288 , map_ ...

and heads by Welshpool Airport. It crosses the

A483 The A483, officially described as the Swansea to Manchester Trunk Road, although now ending in Chester, is a major road in the United Kingdom. It runs from Swansea in Wales to Chester in England via Llandovery, Llandrindod Wells, Oswestry and ...

approximately 1 mile south of

Welshpool Welshpool ( cy, Y Trallwng) is a market town and community in Powys, Wales, historically in the county of Montgomeryshire. The town is from the Wales–England border and low-lying on the River Severn; its Welsh language name ''Y Trallwng'' m ...

and then runs through the town's western suburbs before joining the A458 in the town centre. The two A-routes run together for less than a mile; at Raven Square roundabout the A490 splits off from the A458 and continues north. It crosses the

River Vyrnwy The River Vyrnwy ( cy, Afon Efyrnwy, ) is a river which flows through northern Powys, Wales, and Shropshire, England. The name derives from Severn, the river of which it is a tributary. Course The river used to be sourced from the many rivers ...

before joining for a short distance the A495. A few miles after splitting off from the A495 it reaches Llanfyllin, and shortly after ends by splitting into the B4391 and B4393 roads. Roads in Wales Transport in Shropshire Transport in Powys {{Wales-road-stub