River Thames Society

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.

Important Navigational Information (last updated on Tuesday April 20th)

Tidal Thames (Port of London Authority)
- No vessel may pass under Hammersmith Bridge until further notice.
However, arrangements may be made for a Pre-Approved Controlled Transit. Online booking is required at least 72 hours in advance.

- From April 20th for up to 8 weeks. HMS Belfast, moored in the Upper Pool, is to be repaired and repainted. Details are in this notice from PLA. 

Non-Tidal Thames (Environment Agency)

- Assisted passage is now provided at some River Thames locks.  Charges at short stay moorings now apply.

- Restrictions at Queen Elizabeth Bridge from Monday April 12th to Sunday June 13th. Details in the Harbour Master Notice.

- For the latest information on river and lock status, please check the information page from the Environment Agency.
-Boaters should follow the rules in Step 2 of this Government communication.

- New hours of operation of Teddington Lock have been announced. Read this notice for details.

- The Environment Agency has published a roadmap about re-starting navigation after lockdown.
- Current and future restrictions and closures  (list updated on April 12th).  

- Boaters should be aware of changes being made to drinking and bulk water supply points at locks on the River Thames.


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 10th 2021

A new date has been announced for Henley Royal Regatta in 2021.

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April 15th 2021

New edition of Tidal Thames News published by Port of London Authority.

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April 15th 2021

5 more Illuminated Bridges in central London

Explore The River Thames

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

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

Osney Bridge
Upper Thames
Middle Thames
Teddington Lock Weir
Old Windsor to Teddington
Upper Tideway
Central Tideway and Estuary
Show More


Length in miles




Fish species



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