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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.

 

Protecting the River Thames: Join the Society

The River Thames has always been an essential part of life in the south of England, but it's now under threat. From crumbling infrastructure to declining environmental health, the challenges facing the Thames, especially the non-tidal stretches, are real — and they are escalating.

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The River Thames Society is here to make a difference. We are dedicated to listening, protecting, and restoring the Thames, working for its future health, and ensuring that future generations will be able to enjoy this beautiful waterway as we have.​​

Important Navigational Information (last updated on Thursday December 11th 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..

​- Richmond Lock and Weir Draw-Off until Decenber 19th 2025

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​​​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.

- All sections of non=tidal River Thames are showing red or yellow boards  Updated daily.

-EA has announced restrictions associated with Winter 2025-6 investment

- Flood alert above Lechlade

- Navigation Issues on River Thames.
A Facebook Group 'River Thames Boaters' has up to date comments 

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​News

Almost every day, there is news about the River Thames. Here are some recent headlines.
There are more items on our News pageBoaters here is information about RTS for you.

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251205 ferry.webp

December 5th 2025

Electric ferry starts work on River Thames

River-Thames-Society-Logo.webp

December 3rd 2025

Press coverage of RTS

23 museum sign.jpg

December 11th 2025

New home sought for museun content.

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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