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River Thames Society

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Welcome to The River Thames Society

Members of The River Thames Society are dedicated to protecting and preserving the natural beauty of the River Thames.

 

The Thames is one of the World's most fascinating and beautiful rivers. From source to sea, its 215 miles flow from springs in Gloucestershire through rural and developed areas to London and on to the imposing tidal estuary into the North Sea.

 

If you are inspired by the Society's aims and achievements and would like to help us to protect and promote the Thames, please become a River Thames Society member and join us as we continue our quest to preserve and develop the River Thames.

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Important Navigational Information (last updated on Monday April 21st 2025)
Tidal Thames (Port of London Authority)

- River users should check the PLA website for information about the Tidal Thames.​

Notices to Mariners are on this website.
- Information about the Thames Barrier 


​​​Non-Tidal Thames (Environment Agency)

- Boaters are requested to check the information page from the Environment Agency for details of river conditions, planned closures and service failures.   

​News

Almost every day, there is news about the River Thames. Here are some recent headlines.
There are more items on our News page.

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April 14th 2025

New Mudlarking exhibition

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April 17th 2025

Plan to repair Thames Path at Richmond announced

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April 9th 2025

Rowers in the Boat Race warned about poor water quality..

Explore The River Thames


River Thames Society Members have contributed descriptions and pictures of the River Thames from source to sea.

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Click on a picture below to read more about a section of the River Thames.

215

104

120/+

45

Length in miles

Bridges

Fish species

Locks

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