The River Shannon in the Republic of Ireland, at 386 kilometers, is the longest river in the British Isles
There are many river islands in the British Isles but no two comprise them
the river seven
The Shannon.
Geographically, The British Isles are the main islands of Britain and Ireland and all of their off-shore islands. The longest river in the British Isles is therefore the River Shannon in Ireland and the second longest is the River Severn in Britain - which is fractionally longer than the River Thames.
river seven
The River Dee
Amazon and several tens of thousands of rivers
Englands longest river is the Severn There is a difference between the British Isles and Great Britain or Britain. The British Isles include Ireland, which is a separate country to the United Kingdom of Great Britain and Northern Ireland. The longest river in the British Isles, at 224 miles, is the River Shannon in Ireland. the longest river in Britain is the Severn and is 220 miles( 354 km) . it rises at an altitude of 2001 feet height , on Plynlimon , ceredigion , Powys .
The British Isles are not by a river, but by a number of seas and one ocean,the atlantic. The most famous river in the islands would be the Thames.
River Bride and River Brit are rivers in Dorset, England. River Bladnoch is a river in Scotland.
the Channel is not a river, it is an arm of the Atlantic Ocean that separates England from France and connects with the North Sea