Hay-on-Wye railway station Hay-on-Wye railway station Hay was a railway station serving the town of Hay-on-Wye in Powys, Wales. Hay had one of the earliest railway stations in the country, being part of a horse-drawn tramway. The Hay Railway opened from the Brecon & Abergavenny Canal at Brecon to Hay on 7 May 1816. The line was opened from Hay to Clifford Castle on 30 July 1817. The line was not completed between The Lakes at Clifford and Eardisley until 1 December 1818 because of the problem of the river crossing at Whitney-on-Wye. The Hay Railway was sold in 1860 to the Hereford,
River Monnow River Monnow The River Monnow () marks the England–Wales border for much of its length. After flowing through southwest Herefordshire, England, and eastern Monmouthshire, Wales, its confluence with the River Wye is approximately south of Monmouth. The Monnow rises near Craswall on Cefn Hill just below the high Black Mountains, Wales. It flows southwards, gaining the waters of its tributaries the Escley Brook and Olchon Brook near Clodock and the waters of the River Honddu, from the Welsh side of the Black Mountains, near Pandy. The river then flows briefly eastwards, to Pontrilas, where it is joined by its largest