Trenear water level

Name: Trenear water level (Environment Agency)
Creator: Environment Agency
License: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/

River gauge, River Cober, Cornwall, United Kingdom

Directions

Within the normal range

Water level

0.36m Down 0.01 m over the last 24 hours

Measured 17 Oct 2026, 10:00 BST (54 min ago)

History

7 days 30 days

Water level Top of normal rangeBottom of normal range

What this means

The River Cober at Trenear is at 0.36 m, within its typical range.

The usual range here runs from 0.35 m to 1.00 m.

It has dropped 0.01 m over the past 24 hours. In the last month it has stayed between 0.36 m and 0.43 m.

Autumn rain usually starts to lift rivers again after the summer low.

Compared with the normal range the agency publishes for this gauge. How to read levels

Key numbers

Normal range: 0.35 m – 1.00 m
Lowest and highest in 30 days: 0.36 m – 0.43 m
Highest on record: 1.32 mJanuary 1, 2003
Lowest on record: 0.27 mSeptember 21, 2001

Fishing and paddling

Paddlers and anglers can expect the river much as they know it, though a heavy shower upstream can change that within hours.

Flood alerts and warnings come from the Environment Agency.

About the River Cober

The River Cober is a short river in west Cornwall, England, United Kingdom. The river runs to the west of Helston into The Loe, Cornwall's largest natural lake.

Weather at the gauge

Rain in the last 3 days: 3.5 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 13° 7° – Wind 17 km/h

18 Sun 12° 6° – Wind 16 km/h

19 Mon 10° 7° 3.6 mm, 53% Wind 16 km/h

20 Tue 14° 6° – Wind 17 km/h

21 Wed 12° 9° 4.8 mm, 65% Wind 43 km/h

22 Thu 13° 9° 1.2 mm, 71% Wind 22 km/h

23 Fri 13° 9° 22 mm, 84% Wind 45 km/h

Forecast: Open-Meteo

Sunrise 07:46 AM Sunset 06:28 PM Daylight 10 hr, 41 min First quarter 39%

Map

Other gauges on the River Cober

Gauge	Level	Compared with normal	24 hours	Distance
BoscadjackRiver gauge, River Cober	0.30 m	Low	−0.02 m	0.3 km
Helston County BridgeRiver gauge, River Cober	0.20 m	Very low	−0.02 m	4.2 km
Loe PoolRiver gauge, River Cober	3.56 m	Normal	+0.01 m	6.2 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
RelubbusRiver gauge, River Hayle	0.04 m	Lowest on record	−0.01 m	11 km
PonsanoothRiver gauge, River Kennall	0.05 m	Very low	±0	11 km
St ErthRiver gauge, River Hayle	0.18 m	Very low	−0.02 m	13 km
BissoeRiver gauge, Carnon River	0.26 m	Low	−0.01 m	14 km
GwithianRiver gauge, River Red	0.60 m	Lowest on record	+0.02 m	14 km
St Ives Consols FarmRiver gauge, River Stennack	0.05 m	Very low	−0.01 m	19 km
TruroRiver gauge, River Kenwyn	0.09 m	Very low	−0.02 m	20 km

Questions and answers

What is the typical range for the River Cober at Trenear?

The Environment Agency gives a typical range of 0.35 m to 1.00 m for this gauge.

Is the river level the same as the depth of the water?

No. The reading is measured from a fixed zero mark at the gauge, so 0.36 m on the gauge does not mean the water is that deep.

What is the water level of Trenear today?

On 17 Oct 2026, 10:00 BST, the water level was 0.36 m. Down 0.01 m over the last 24 hours.

Is Trenear rising or falling?

Down 0.01 m over the last 24 hours. Steady over the last 7 days.

Is the level of Trenear normal?

Within the normal range. Compared with the normal range the agency publishes for this gauge.

What is the highest water level ever recorded at Trenear?

The highest level on record is 1.32 m on January 1, 2003. The lowest is 0.27 m on September 21, 2001.

How often is this data updated?

The Environment Agency publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Environment Agency
Station code: ea:48126 (Agency page)
Coordinates: 50.13380, -5.25465 (WGS84)
Vertical datum: station datum
Update interval: every 15 minutes
Licence: Open Government Licence v3.0. Contains Environment Agency data licensed under the Open Government Licence v3.0

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	0.36 m	2026-10-17 09:00	Provisional

Download

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<iframe src="https://nivelmap.com/embed/661?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Trenear water level"></iframe>

How to cite

Environment Agency: Trenear (ea:48126). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/cornwall/trenear

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer