River Usk River Usk The River Usk (; ) rises on the northern slopes of the Black Mountain ("y Mynydd Du"), Wales, in the westernmost part of the Brecon Beacons National Park. Initially forming the boundary between Carmarthenshire and Powys, it flows north into Usk Reservoir, then east by Sennybridge to Brecon before turning southeast to flow by Talybont-on-Usk, Crickhowell and Abergavenny after which it takes a more southerly course. Beyond the eponymous town of Usk it passes the Roman legionary fortress of Caerleon to flow through the heart of the city of Newport and into the Severn estuary at Uskmouth beyond
Graig, Newport Graig, Newport Graig is an electoral ward and coterminous community (parish) of the city of Newport, South Wales. The ward is bounded by the Ebbw River and M4 motorway to the east, the city boundary to the north and west. The southern boundary is formed by a line from the M4/A467 intersection in a roughly westerly direction as far as the city boundary. The area is governed by the Newport City Council. The ward contains Bassaleg, Rhiwderin and the hamlet of Lower Machen. It also contains the western half of the Foxgloves estateas the Ebbw passes through the centre, the