HomeFlood Events › Upper River Derwent, Stonethwaite Beck a
Flood Alert

Flood Alert: Upper River Derwent, Stonethwaite Beck and Derwent Water - June 2026

📍 Cumberland 🌊 Derwent, Stonethwaite Beck 📅 8 June 2026

A Flood Alert was issued for Upper River Derwent, Stonethwaite Beck and Derwent Water in Cumberland between 6th and 8th June 2026. Affected watercourses included the Derwent, Stonethwaite Beck.

During this event, FloodRadar monitoring gauges recorded notable rises. The River Cocker at Scalehill Upper Lorton Valley rose 0.57m, peaking at 1.27m, while the River Greta at Keswick Campsite climbed 0.44m.

Environment Agency advice issued

Flooding of low lying land is possible on 08 June 2026 . Locations most affected will be low lying land and roads near rivers and Derwentwater. No Flood Warnings are currently anticipated in this area. We are monitoring the situation . Take care and avoid walking, cycling or driving through flood water . This message will be updated by 10:00AM on 09 June 2026 or as the situation changes.

Monitoring gauges during this event

StationRiverRisePeak
Scalehill Upper Lorton Valley River Cocker +0.57m 1.27m
Keswick Campsite River Greta +0.44m 1.19m
Lodore Derwentwater +0.42m 1.68m
Portinscale River Derwent +0.39m 1.18m
Threlkeld River Glenderamackin +0.34m 0.90m
Riddings Wood River Greta +0.31m 1.56m
Greta Bridge River Greta +0.29m 1.41m
Glenridding Village Glenridding Beck +0.26m 0.47m

This report is automatically compiled from Environment Agency flood warning records and FloodRadar river-level monitoring data. Figures are observed gauge readings during the event period. This is a historical record, not a live warning — always check current flood warnings and gov.uk.