The Dee Estuary Aberdeen or the Wirral. (2 different rivers Dee) [1] The River Dee in Aberdeenshire, Scotland rises in the Cairngorms and reaches the North Sea at Aberdeen. [2] The River Dee that runs through Wales and England and also forms part of the border between them discharges to the sea into an estuary between Wales and The Wirral Peninsula. [3] The River Dee through the extreme south east of Cumbria, a part of the Craven region traditionally part of the West Riding of Yorkshire joins the River Rawthey at Catholes. [4] The River Dee in south-west Scotland flows from its source in Loch Dee into Kirkcudbright Bay. [5] The River Dee in Ireland enters the Irish Sea at the village of Annagassan. These is also - Dee River in Queensland Australia - a tributary of the Fitzroy River and Dee River in Tasmania a tributary of the Derwent River.

There is no official national river of Wales, but the two best-known ones are the Dee (in the North, which opens out into the Dee Estuary) and the Taff, which flows through Cardiff. The latter is the reason why Welsh people are nicknamed 'Taffies'.

There are too many to list them all but some of the biggest are the Thames, Severn, Trent, Mersey, Tyne, Avon.

You would have to be a little more specific about where the one you are enquiring about actually is, as there are lots of rivers called the Dee.

Towy (Tywi) 103 km (64 miles)