Penallt Viaduct is a viaduct

Viaduct

A viaduct is a bridge composed of several small spans. The term viaduct is derived from the Latin via for road and ducere to lead something. However, the Ancient Romans did not use that term per se; it is a modern derivation from an analogy with aqueduct. Like the Roman aqueducts, many early...

 that formerly carried the Wye Valley Railway

Wye Valley Railway

The Wye Valley Railway was a standard gauge railway that ran for nearly between Chepstow and Monmouth along the lower part of the scenic Wye Valley in Monmouthshire, Wales, and Gloucestershire, England. It followed the route of the River Wye for most of its length...

 over the River Wye

River Wye

The River Wye is the fifth-longest river in the UK and for parts of its length forms part of the border between England and Wales. It is important for nature conservation and recreation.-Description:...

; the river at this location forms the border between England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 (Gloucestershire

Gloucestershire

Gloucestershire is a county in South West England. The county comprises part of the Cotswold Hills, part of the flat fertile valley of the River Severn, and the entire Forest of Dean....

) and Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

 (Monmouthshire

Monmouthshire

Monmouthshire is a county in south east Wales. The name derives from the historic county of Monmouthshire which covered a much larger area. The largest town is Abergavenny. There are many castles in Monmouthshire .-Historic county:...

). It was located between and stations; passenger services ceased on the railway in 1959. The viaduct is still open and now carries a public footpath over the Wye; it connects the villages of Redbrook

Redbrook

Redbrook is a village in Gloucestershire, England, adjoining the border with Monmouthshire, Wales. It is located on the River Wye and is within the Wye Valley Area of Outstanding Natural Beauty.- History :...

 with Penallt

Penallt

Penallt is a village in Monmouthshire, Wales set high on a hill above Monmouth. In the centre of the village, by the village green, is the 17th century village pub, the "Inn at Penallt", formerly called the Bush Inn....

.