Well, David Walliams swam the River Thames so there isn't anything stopping you. Only he probably got permission from somebody. To swim the river thames, David Walliams ate food with quite alot of calories for energy. Did that answer the question?
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There are sevral places in the upper Thames where people swim in the summer. However down river (near London) it would probably be best to avoid swimming.
That would be the River Thames.
The traditional source of the Thames is at Thames Head near the village of Kemble in Gloucestershire. You will have to park in the village and walk about a mile.
The River Thames is the major river through London, cutting right through the middle of the city. There are many other rivers in London, such as the River Lee (or Lea) and the River Brent.
The river Thames (pronounced temz)
London is situated on the River Thames (pronounced 'temz'.
Thames River
The Thames flows through London.
The River Thames has multiple confluences. One such is the confluence of the River Thames and the River Darent at Dartford.
The river Thames.
The river Thames is in England.
River Thames.
You can walk, cycle, use a bus or drive. Ferry boat.