- Home
- Useful Tips
- Best Thames river experiences...
Where to find Thames adventures most tourists never see
How to experience the Thames like a Londoner
Affordable Thames water activities with wow factor
New Access Rules and Cleaner Waters for River Adventures
The river's logistical landscape has shifted significantly with the full activation of the London Tideway Tunnel, or 'super sewer.' This massive infrastructure project now captures 95% of storm sewage that previously entered the tidal Thames, resulting in the cleanest water quality for kayaking and paddleboarding in over a century. However, access to the river's secrets has become more regulated. The Port of London Authority has implemented a strict cap of 4,000 annual mudlarking permits, and with the current waitlist exceeding ten thousand names, the only reliable way to explore the foreshore is now through pre-booked guided tours with licensed archaeological trusts. Additionally, the river's transit is going green; the first fully electric, zero-emission ferries have replaced older vessels on key cross-river routes, providing a silent, fume-free way to traverse the water between Canary Wharf and Rotherhithe.
When to visit the Thames for crowd-free magic
Standard foreshore permits are now strictly capped at 4,000 per year and no longer automatically renew; because the 2026 waitlist is exceptionally long, it is recommended to book a session with a registered tour operator who holds the necessary group licenses.
Yes, following the operational handover of the Thames Tideway Tunnel in early 2026, the river is significantly cleaner, as the system now prevents tens of millions of tonnes of raw sewage from entering the water during heavy rainfall.
In 2026, walkers should plan for long-term diversions at Temple Footbridge near Marlow and near Goring due to ongoing structural repairs and erosion, as well as a temporary search exclusion zone on the foreshore between London Bridge and Cannon Street.
Written by London Tours Editorial Team & Licensed Local Experts.
Last updated: 23/02/26