The River Monnow marks the England–Wales border for much of its 42 miles (68 km) length. After flowing through southwest Herefordshire, England, and eastern Monmouthshire, Wales, its confluence with the River Wye is approximately 1⁄3 mile (0.54 km) south of Monmouth.
The Monnow Bridge in Monmouth
Upstream as seen from Priory Street, Monmouth
Elephant escaped from the mop fair as they were leaving Monmouth. St Thomas Church in the background (1930)
The England–Wales border, sometimes referred to as the Wales–England border or the Anglo-Welsh border, runs for 160 miles (260 km) from the Dee estuary, in the north, to the Severn estuary in the south, separating England and Wales.
The River Dee marking the border between Farndon, England, to the left and Holt, Wales, to the right
Bilingual "Welcome to Wales" sign
Bilingual "Welcome to England" sign
The approximate limit of coin-minting tribes in south Britain, and the limits of the campaigns of Claudius and Aulus Plautius.