Images of Chepstow Castle. April 2015. “Chepstow Castle (Welsh: Cas-gwent), located in Chepstow, Monmouthshire in Wales, on top of cliffs overlooking the River Wye, is the oldest surviving post-Roman stone fortification in Britain. Its construction was begun under the instruction of the Norman Lord William fitzOsbern, soon made Earl of Hereford, from 1067, and it […]