Updated
Editor's Notes
Three Mills Lock, also known as Prescott Lock, is a lock on the Prescott Channel on the River Lea in London. The current structure was constructed by British Waterways and officially opened on 5 June 2009.
The lock cuts off a section of the Bow Back Rivers from the tide, creating new opportunities for leisure boats, water taxis, trip boats and floating restaurants.
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Weather at Three Mills Lock
55°F, Patchy rain nearby · H 57° / L 51° · 73% chance of rain3-day forecast
H: 57° L: 51°
Patchy rain nearby

55°
|
Feels like 49°
Precipitation
73%
Humidity
79%
Wind
13 mph
UV Index
0
Weather notes:
🌧️Rain expected
12 AM

56°
3 AM

56°
6 AM

56°
9 AM

55°
12 PM

55°
3 PM

54°
6 PM

56°
9 PM

52°
Frequently asked questions
- Where is Three Mills Lock?
- Three Mills Lock is a river in London.
- Can you swim at Three Mills Lock?
- There is no fixed answer for Three Mills Lock: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Three Mills Lock in London. Check current water conditions before you go, and follow posted signs and local guidance.
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Location & Contact
London
🌊 Best times & visiting tips
- ›Check water levels and current conditions before visiting
- ›Wear life jackets when on the water
- ›Be aware of rapids and potential hazards
- ›Respect private property along riverbanks
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