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
Barton River (Vermont) of the head branches is the drain from Crystal Lake in the village of Barton. After leaving Barton village, the routes of US Route 5, Interstate 91 and the railroad, all follow the course of the Barton River valley and the river, north to Newport. The Willoughby River flows from Lake Willoughby into the Barton River in Orleans and provides considerable volume. Orleans was once called "Barton Landing" and was the place where, historically, craft could be safely loaded for transport north. After leaving Orleans, it flows through eastern Irasburg, through Coventry and then into Lake Memphremagog. The following areas