River Dee

The River Dee (Welsh: Afon Dyfrdwy, Latin: Deva Fluvius) is a 70-mile (110 km) long river in the United Kingdom. It flows through Wales and England and also forms part of the border between the two countries.The river rises in Snowdonia, Wales, flows east via Chester, England, and discharges to the sea in an estuary between Wales and the Wirral Peninsula in England. –wikipedia