River Severn | River Thames
Being a relatively small Island, the UK's rivers are not very long.
The longest river in the UK is the river Severn, just 220 miles in length It begins in Wales and enters the Atlantic Ocean near Bristol in England.
Other major rivers include the Thames, which flows through Oxford and London, and the Trent and Merseyrivers, which drain rainfall from large areas of central England.
Among the most important rivers in the UK is the Thames, which flows into the North Sea. Its length is 346 km and it is the deepest river in Britain. It is navigable as far as the capital of Great Britain – London.
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2 |
River |
Country |
Length (miles) |
(km) |
1 |
River Severn |
Wales and England |
220 |
354 |
2 |
River Thames |
England |
215 |
346 |
3 |
River Trent |
England |
185 |
297 |
4 |
River Great Ouse, East Anglia |
England |
143 |
230 |
5 |
River Wye |
Wales and England |
135 |
215 |
6 |
River Ure / River Ouse, Yorkshire |
England |
129 |
208 |
7 |
River Tay |
Scotland |
117 |
188 |
8 |
River Spey |
Scotland |
107 |
172 |
9 |
River Clyde |
Scotland |
106 |
172 |
10 |
River Tweed |
Border of Scotland |
96 |
155 |
11 |
River Avon, Warwickshire |
England |
96 |
154 |
12 |
River Nene |
England |
91 |
148 |
13 |
River Eden, Cumbria |
England |
90 |
145 |
14 |
River Dee, Aberdeenshire |
Scotland |
87 |
140 |
15 |
River Witham |
England |
82 |
132 |
16 |
River Teme |
England |
81 |
130 |
17 |
River Don, Aberdeenshire |
Scotland |
80 |
129 |
18 |
River Bann |
Northern Ireland |
76 |
122 |
=19 |
River Ribble |
England |
75 |
120 |
=19 |
River Avon, Bristol |
England |
75 |
120 |
21 |
River Tyne |
England |
73 |
118 |
22 |
River Dewent |
England |
72 |
115 |
23 |
River Aire |
England |
71 |
114 |
=24 |
River Tees |
England |
70 |
113 |
=24 |
River Medway |
England |
70 |
113 |
=24 |
River Mersey |
England |
70 |
113 |
=27 |
River Dee, Wales |
Wales |
70 |
112 |
=27 |
River Don |
England |
70 |
112 |
Click here for a map showing all the rivers in the UK
List of the rivers in England and Wales
List of the rivers in Scotland
Follow Winnie the Pooh's Journey down the River Thames
River Darent in Kent, England
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