A Flood Alert was issued for Upper River Derwent, Stonethwaite Beck and Derwent Water in Cumberland on 24th October 2026. Affected watercourses included the Derwent, Stonethwaite Beck.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Greta at Greta Bridge rose 1.83m, peaking at 3.02m, while the River Greta at Keswick Campsite climbed 1.72m.
Environment Agency advice issued
Rising river levels today may lead to flooding. Flooding is possible from the evening of Saturday 24 October . Storm Boelo is forecast to bring heavy rain and strong winds across Cumbria today, Saturday 24th October and overnight into tomorrow. River levels are likely to rise during the course of today and this evening with the potential for some flooding of low lying land. Locations most affected will be low lying land and roads near the Upper Derwent from Seathwaite to Derwent Water. We are closely monitoring the situation . Take care and avoid walking, cycling or driving through flood water
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Greta Bridge | River Greta | +1.83m | 3.02m |
| Keswick Campsite | River Greta | +1.72m | 2.49m |
| Riddings Wood | River Greta | +1.63m | 2.95m |
| Threlkeld | River Glenderamackin | +1.59m | 2.23m |
| Portinscale | River Derwent | +1.19m | 1.91m |
| Thirlmere Reservoir (Spillway level = 16.55m) | Thirlmere Reservoir | +0.90m | 11.62m |
| Lodore | Derwentwater | +0.80m | 1.85m |
| Glenridding Village | Glenridding Beck | +0.71m | 0.92m |
| Scalehill Upper Lorton Valley | River Cocker | +0.70m | 1.36m |
| Thirlmere | St Johns Beck | +0.21m | 0.36m |