A Flood Alert was issued for Rivers Greta, St Johns Beck and Bassenthwaite Lake in Cumberland, Westmorland and Furness on 25th October 2026. Affected watercourses included the River Greta, St Johns Beck, Glendermackin.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Greta at Greta Bridge rose 1.62m, peaking at 3.02m, while the River Greta at Riddings Wood climbed 1.44m.
Environment Agency advice issued
There is no longer a threat of flooding, though standing water and debris may still remain. Further rainfall is forecast but no further flooding is expected. We will continue to monitor the situation and will issue further alerts or warnings if necessary. Stay away from floodwater - it contains hidden dangers such as open manhole covers, sewage and chemicals.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Greta Bridge | River Greta | +1.62m | 3.02m |
| Riddings Wood | River Greta | +1.44m | 2.95m |
| Keswick Campsite | River Greta | +1.41m | 2.49m |
| Threlkeld | River Glenderamackin | +1.40m | 2.23m |
| Thirlmere Reservoir (Spillway level = 16.55m) | Thirlmere Reservoir | +1.09m | 12.03m |
| Portinscale | River Derwent | +0.93m | 1.91m |
| Castle Howe | Bassenthwaite Lake | +0.77m | 2.26m |
| Lodore | Derwentwater | +0.75m | 2.00m |
| Ouse Bridge | River Derwent | +0.71m | 1.98m |
| Thirlmere | St Johns Beck | +0.16m | 0.36m |