A Flood Alert was issued for Upper River Derwent, Stonethwaite Beck and Derwent Water in Cumberland between 27th and 31st October 2026. Affected watercourses included the Derwent, Stonethwaite Beck.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Greta at Keswick Campsite rose 1.10m, peaking at 1.91m, while the River Derwent at Portinscale climbed 0.90m.
Environment Agency advice issued
There is no longer a threat of flooding. Weather conditions are expected to improve. We will continue to monitor the situation and will issue further alerts or warnings if necessary. Continue to take care on waterside roads and footpaths and don't put yourself in unnecessary danger.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Keswick Campsite | River Greta | +1.10m | 1.91m |
| Portinscale | River Derwent | +0.90m | 1.67m |
| Greta Bridge | River Greta | +0.88m | 2.04m |
| Riddings Wood | River Greta | +0.85m | 2.14m |
| Threlkeld | River Glenderamackin | +0.78m | 1.38m |
| Lodore | Derwentwater | +0.77m | 1.95m |
| Thirlmere Reservoir (Spillway level = 16.55m) | Thirlmere Reservoir | +0.71m | 12.53m |
| Scalehill Upper Lorton Valley | River Cocker | +0.64m | 1.29m |
| Glenridding Village | Glenridding Beck | +0.46m | 0.65m |
| Thirlmere | St Johns Beck | +0.09m | 0.25m |