<P> One of the several rivers named Avon, in this case the Warwickshire Avon, flows west through Rugby, Warwick and Stratford - upon - Avon . It is then joined by its tributary the River Arrow, before finally joining the Severn at Tewkesbury, Gloucestershire . </P> <P> The port of Bristol is on the Severn Estuary, where another River Avon flows into it through the Avon Gorge . </P> <P> The River Wye, from its source in Plynlimon, Wales (2 miles (3 km) from the source of the Severn), flows generally south east through the Welsh towns of Rhayader and Builth Wells . It enters Herefordshire, flows through Hereford, and is shortly afterwards joined by the River Lugg, before flowing through Ross - on - Wye and Monmouth, and then southwards where it forms part of the boundary between England (Forest of Dean) and Wales . It flows into the Severn near the town of Chepstow, slightly upstream of the Bristol Avon on the opposite bank . </P> <P> The River Usk flows into the Severn Estuary just south of Newport . </P>

River that joins the severn near chepstow crossword