A Flood Warning was issued for River Cober at Trenear in Cornwall on 27th February 2026. Affected watercourses included the River Cober.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Cober at Helston County Bridge rose 0.62m, peaking at 1.51m, while the River Cober at Trenear climbed 0.42m.
Environment Agency advice issued
High river levels are expected to cause flooding today. Flooding is expected on 27th February 2026 . The main areas of concern are properties and low lying areas in and around Trenear, including Sawyers Court, Poldark Mine and the B3297. Flood waters may be deep and fast flowing in these areas. River levels have peaked but remain high. River levels are expected to slowly recede throughout Friday. We are closely monitoring the situation . Avoid low lying roads near rivers, which may be flooded . This message will be updated by 11:00AM on 28th February 2026 or as the situation changes.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Helston County Bridge | River Cober | +0.62m | 1.51m |
| Trenear | River Cober | +0.42m | 1.11m |
| Boscadjack | River Cober | +0.38m | 1.00m |
| Loe Pool | River Cober | +0.37m | 4.79m |
| Relubbus | River Hayle | +0.37m | 0.91m |
| St Erth | River Hayle | +0.29m | 0.94m |
| Ponsanooth | River Kennall | +0.24m | 0.51m |
| Penryn Trelawney Park | Praze Stream | +0.15m | -12.87m |